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NATIONAL  P  • 

center  Series  11 
For  health  Number  S 

STATISTICS  - 


Weight,  Height,  and  Selected 
Body  Dimensions  of  Adults 

United  States  - 1960- 1962 


20050531  130 


U.  S.  DEPARTMENT  OF 
HEALTH,  EDUCATION,  AND  WELFARE 
Public  Health  Service 


NATIONAL  CENTER  Series  11 
For  HEALTH  STATISTICS  Number  8 


VITAL  and  HEALTH  STATISTICS 

DATA  FROM  THE  NATIONAL.  HEALTH  SURVEY 

Weight,  Height,  and  Selected 
Body  Dimensions  of  Adults 

United  States  - 1960-1962 


Age  and  sex  distributions  for  weight,  height, 
erect  sitting  height,  normal  sitting  height, 
knee  height,  popliteal  height,  elbow  rest 
height,  thigh  clearance  height,  buttock-knee 
length,  buttock-popliteal  length,  elbow-to- 
elbow  breadth,  and  seat  breadth. 


IT  HUTSON  STATEMENT  A 
ppi  oved  for  Public  Release 
Distribution  Unlimited 


Washington,  D.C. 


June  1  965 


U.S.  DEPARTMENT  OF 
HEALTH,  EDUCATION,  AND  WELFARE 
Anthony  J.  Celebrezze 
Secretary 


Public  Health  Service 
Luther  L.  Terry 
Surgeon  General 


Computation  of  estimated  SD's  for  both  men  and  women,  total  18-79 
years  column  only ,  in  tables  1-12,  National  Center  for  Health 
Statistics,  Series  11,  Number  8. 


Table 

1 

Weight  (pounds) 

Table 

9  Buttock 

Knee  Length  (in.) 

Men 

Est  SD  27.73  ' 

Men 

Est  SD 

1.17 

Women 

Est  SD  27.73* 

Women 

Est  SD 

1.21 

Table 

2 

Height  (inches) 

Table 

10  Buttock-Popliteal  Lth 

Men 

Est  SD  2.85 

(in.  ) 

Women 

Est  SD  2.58 

Men 

Est  SD 

1.21 

Women 

Est  SD 

1.29 

Table 

3 

Sitting  Height-Erect  (in.) 

Men 

Est  SD  1.48 

Table 

11  Elbow - 

to-Elbow  Brd  (in.) 

Women 

Est  SD  1.48 

Men 

Est  SD 

1.  84 

Women 

Est  SD 

2.11 

Table 

4 

Sitting  Height-Normal  (in.) 

Men 

Est  SD  1.45 

Table 

12  Seat  Breadth  (in) 

Women 

Est  SD  1.52 

Men 

Est  SD 

1.17 

Women 

Est  SD 

1.45 

Table 

5 

Knee  Height  (inches) 

Men 

Est  SD  1.13 

Women 

Est  SD  1.09 

Table 

6 

Popliteal  Height  (inches) 

Men 

Est  SD  1.09 

Women 

Est  SD  1.09 

-  ts*  ' 

Table 

7 

Elbow  Rest  Ht  (inches) 

— -  1  ■ 

Men 

Est  SD  1.17 

t 

Women 

Est  SD  1.21 

Table 

8 

Thigh  Clearance  Ht  (in.) 

Men 

Est  SD  . 78 

Women 

Est  SD  .90 

Public  Health  Service  Publication  No.  1000-Series  11-No.  8 


Library  of  Congress  Catalog  Card  Number  65-60069 


CONTENTS 


Page 

Introduction -  1 

The  Health  Examination  Survey -  1 

The  Utility  of  Anthropometric  Data -  1 

Anthropometric  Surveys  Among  Adults:  A  Brief  Historical  Account -  2 

The  Measurements -  3 

Measuring  Techniques -  3 

The  Effect  of  Clothing  on  Body  Measurements -  5 

Reliability  of  Measurements -  5 

Factors  Influencing  Comparisons  of  Human  Body  Size -  6 

Findings -  6 

Weight -  6 

Height -  9 

Sitting  Height,  Erect -  11 

Sitting  Height,  Normal -  13 

Knee  Height - 14 

Popliteal  Height -  15 

Elbow  Rest  Height -  15 

Thigh  Clearance  Height -  16 

Buttock-Knee  Length -  16 

Buttock- Popliteal  Length -  17 

Elbow-to-Elbow  Breadth -  17 

Seat  Breadth -  18 

Discussion -  19 

Age  of  Examinees -  19 

Racial  and  Ethnic  Differences -  19 

Socioeconomic  Differences -  20 

Civilian-Military  Differences -  20 

Differences  in  Measuring  Technique -  20 

Secular  Changes  in  Body  Size -  21 

Summary -  21 

References -  23 


Detailed  Tables 


25 


CONTENTS— Con. 


Page 

Appendix  I.  Recording  Forms  and  Diagrams  of  Physical 

Measurements  in  This  Report -  40 

Recording  Forms  Used -  40 

Diagrams  of  Measurements -  41 

Appendix  II.  Survey  Design,  Response,  and  Sampling 

Variability -  42 

Survey  Design -  42 

Reliability -  42 

Sampling  and  Measurement  Error -  43 

Small  Categories -  44 


IN  THIS  REPORT  are  presented  findings  from  12  of  the  18  measure¬ 
ments  of  body  size  taken  during  the  examinations  of  Cycle  I  of  the  Health 
Examination  Survey.  This  phase  of  the  Survey  was  started  in  October 
1959  and  completed  in  December  1962.  Out  of  the  nationwide  probability 
sample  of  7,710  persons  18-79  years  of  age  selected  from  the  U.S.  civil¬ 
ian,  noninstitutiorial  population,  6,672  (or  more  than  85  percent)  were 
examined. 

The  measurements  obtained  in  Cycle  I  were  those  which  could  be  reliably 
taken  within  the  time  and  facility  limitations  of  the  examination  and  which 
are  most  widely  used  in  the  assessment  of  the  health  status  of  the  pop¬ 
ulation;  in  the  design  of  cotnmercial,  industrial,  medical,  and  military 
equipment;  in  the  assessment  of  various  physiological  processes;  and 
for  many  other  research  and  commercial  purposes. 

This  report  contains  findings  by  age  for  men  and' women  on  weight,  height, 
erect  and  normal  sitting  height,  knee  and  popliteal  height,  elbow  rest  and 
thigh  clearance  height,  buttock-knee  and  buttock-popliteal  length,  elbow- 
to- elbow  breadth,  and  seat  breadth.  Measurement  techniques  are  de¬ 
scribed. 


Comparisons  are  made  with  findings  from  previous  anthropometric  sur¬ 
veys  among  various  groups  in  the  United  States  and  Canada.  The  pos¬ 
sible  influence  on  the  findings  of  such  factors  as  age,  racial  and  ethnic 
differences,  socioeconomic  differences,  civilian  and  military  differences, 
secular  changes  in  body  size,  and  differences  in  measuring  techniques 
which  have  been  noted  in  previous  studies  are  discussed. 


Figure  does  not  meet  standards  of 
reliability  or  precision - 


WEIGHT,  HEIGHT,  AND  SELECTED  BODY 
DIMENSIONS  OF  ADULTS 


Drs.  Howard  W.  Stoudt,  Albert  Damon,3  and  Ross  McFarland,  Harvard  School  of  Public  Health 
Jean  Roberts,  Division  of  Health  Examination  Statistics 


INTRODUCTION 

The  Health  Examination  Survey 

This  report  presents  findings  on  certain  of 
the  physical  measurements  of  adults  obtained  in 
the  first  cycle  of  the  Health  Examination  Survey. 

The  Health  Examination  Survey  is  one  of 
three  programs  of  the  National  Health  Survey 
developed  to  secure  statistics  on  the  health  status 
of  the  population  of  the  United  States.  It  obtains 
data  through  medical  examination,  tests,  and 
measurements  on  a  scientifically  selected  ran¬ 
dom  sample  of  the  population.  Methods  used  in 
other  programs  are  the  household  interview  and 
the  obtaining  of  data  from  available  hospital  and 
other  medical  records. 

The  first  cycle  of  the  Health  Examination 
Survey  was  limited  to  civilian  adults  living  out¬ 
side  of  institutions.  Its  purpose  was  to  determine 
the  prevalence  of  certain  chronic  diseases;  the 
status  of  auditory  and  visual  acuity;  the  level  of 
dental  health;  and  certain  measurements  of  body 
size.  A  nationwide  probability  sample  of  7,710 
persons  18-79  years  of  age  was  selected.  During 
the  Survey,  which  extended  from  October  1959 
through  December  1962,  6,672  sample  persons 
were  examined.  Medical  and  other  Survey  staff 


aWork  done  during  the  tenure  of  an  Established  Investigator- 
ship  of  the  American  Heart  Association. 


performed  the  standard  examination,  which  lasted 
about  2  hours,  in  mobile  clinics  especially  de¬ 
signed  for  the  purpose. 

Previous  publications  describe  the  general 
plan  and  initial  program  of  the  Health  Examination 
Survey1  as  well  as  the  sample  population  re¬ 
sponse  and  the  effect  of  nonresponse  on  the  find¬ 
ings.2  Data  available  from  the  examination,  the 
household  interview  preceding  the  examination, 
and  a  subsequent  physician  record  check  with  a 
subsample  of  respondents  and  nonrespondents  in¬ 
dicate  that  no  major  features  of  the  adult  popula¬ 
tion  of  the  United  States  are  seriously  distorted 
and  that  the  effects  of  nonresponse  on  the  demo¬ 
graphic  picture  are  not  serious. 

The  Utility  of  Anthropometric  Data 

Anthropometric  data  were  collected  in  the 
first  cycle  of  the  Health  Examination  Survey  for 
the  following  purposes: 

1.  As  reference  standards  to  describe  the 
physique  of  the  adult  population  of  the 
Nation  at  a  point  in  time.  Time  trends 
within  such  a  population  can  be  detected 
by  comparison  with  earlier  or  later  sur¬ 
veys.  Regional  differences  within  the 
United  States  and  differences  between  this 
and  other  nations  may  be  assessed  more 
reliably  using  this  standard.  Indications 
may  also  be  obtained  of  the  effects  on  hu¬ 
man  body  size  of  such  factors  as  social  and 


1 


geographic  mobility,  shifting  rural-urban 
and  occupational  patterns,  and  improved 
medical  and  public  health  conditions. 

2.  To  provide  anthropometric  data  essential 
to  the  designing  of  equipment  for  human 
use.  This  report  presents,  in  addition  to 
the  basic  dimensions  of  height  and  weight, 
the  10  body  dimensions  obtained  in  the 
Health  Examination  Survey  which  are  most 
important  for  equipment  design — com¬ 
mercial,  industrial,  military,  or  medi¬ 
cal —  to  ensure  its  safe,  efficient,  and 
comfortable  use.  Principles  and  direc¬ 
tions  for  their  application  are  fully  treated 
elsewhere3  4  and  hence  will  not  be  given 
here. 

Height  and  weight  are  especially 
useful  in  equipment  design  since  both 
correlate  closely  enough  with  other  body 
dimensions — height  with  segmental  and 
limb  lengths ,  weight  with  breadths ,  depths , 
and  girths — to  permit  reasonable  predic¬ 
tions  for  groups  of  persons  for  whom 
these  other  dimensions  may  not  be  avail¬ 
able. 

3.  To  provide  data  which  can  be  used  in  the 
study  of  various  physiological  functions 
and  human  health  problems.  For  example, 
anthropometric  data  are  used  to  estimate 
body  surface  areas  in  investigations  of  the 
effects  of  heat  or  radiation.  Similarly, 
skinfold  and  weight-height  data  are  used 
in  studies  of  nutritional  status  or  require¬ 
ments. 

Anthropometric  Surveys  Among  Adults: 

A  Brief  Historical  Account 

Because  of  the  cost  and  practical  difficulty 
of  conducting  a  survey  of  a  truly  representative 
national  sample,  most  anthropometric  descrip¬ 
tions  on  a  national  scale  have  come  from  mili¬ 
tary  rather  than  civilian  sources.  Probably  the 
first  adequate  sampling  survey  of  a  national  pop¬ 
ulation  was  the  Canadian  height  and  weight  survey 
of  1953, 5  6  which  recorded  the  height,  weight,  and 
triceps  skinfold  on  a  stratified  probability  sample 
of  22,000  Canadians  wearing  indoor  clothing 
without  shoes. 


Previous  large-scale  civilian  surveys,  less 
systematically  sampled,  have  been  made  in  Tur¬ 
key,  the  United  States,  and  Britain. 7-9  The  Turk¬ 
ish  survey  reported  measurements  on  some  60,000 
subjects;  the  British,  height  and  weight  on  22,500 
men  and  33,500  women  in  certain  industries,  but 
fully  clothed  and  shod;  and  the  United  States  sur¬ 
vey  included  10,000  women  aged  18-75  in  four 
occupational  groups,  chiefly  urban  and  of  low  in¬ 
come  levels.  All  were  volunteers,  with  the  limi¬ 
tations  in  representativeness  thereby  implied. 

Apart  from  occasional  surveys  of  industrial 
or  consumer  groups,  10-14  most  anthropometric 
surveys  have  been  made  on  students  and  soldiers. 
Students  are  a  special  group  in  any  population 
with  respect  to  age,  residence,  socioeconomic 
status,  nutrition,  and  intelligence.  Servicemen 
and  women,  though  possibly  geographically  rep¬ 
resentative,  are  probably  physically  superior  to 
the  general  population  because  they  are  selected 
to  meet  minimum  standards.  Moreover,  they  span 
a  narrow  age  range,  with  recruits — the  most 
feasible  group  to  measure— falling  in  the  late 
teens  and  early  twenties.  The  older  a  military 
population  the  more  highly  selected  it  is,  for 
reasons  of  self-selection,  occupational  special¬ 
ization,  and  medical  elimination  of  the  less  fit. 
The  military  group  that  most  nearly  represents 
a  segment  of  the  national  population  would  there¬ 
fore  be  those  men  examined  in  a  general  mobil¬ 
ization  or  in  a  universal  peacetime  draft,  both 
those  accepted  and  rejected.  Such  mass  data  have 
been  reported  from  the  Selective  Service  Systems 
of  Britain13  and  the  United  States16  17  during 
and  subsequent  to  the  Second  World  War. 

Mass  surveys  of  this  sort  have  the  advantages 
of  broad  representativeness  and  large  numbers  of 
subjects.  They  have  serious  disadvantages,  how¬ 
ever,  in  respect  to  sex  and  age  restriction,  few 
measurements,  and  measuring  techniques  that 
are  not  sufficiently  standardized  in  actual  prac¬ 
tice.  Usually,  only  height  and  weight  are  taken — 
rarely,  chest  circumference  as  well.  In  the  ex¬ 
perience  of  many  investigators  height  so  taken 
has  been  found  to  be  subject  to  substantial  error, 
while  Kossman,  Green,  and  White18  demon¬ 
strated  that  chest  circumference  obtained  by  un¬ 
trained  observers  can  be  so  unreliable  as  to  be 
virtually  useless. 


2 


Early  large-scale  military  surveys  were 
made  on  recruits  during  the  American  Civil 
War  19  20  and  subsequently  in  most  European 
countries.  The  focus  of  interest  was  medical  rath¬ 
er  than  anthropological,  with  height,  weight,  and 
chest  circumference  being  the  usual  dimensions 
taken.  The  data  were  also  used  for  more  general 

purposes  later.  For  example,  Livi  in  1897  and 

21  22 

1911  compared  the  "robustness"  of  various 

occupational  groups  among  300,000  Italian  re¬ 
cruits.  During  the  1920's  detailed  anthropometric 
studies  were  made  on  Swedish  and  Norwegian 

2 a  24  0 

soldiers  as  a  basis  for  racial  anthropology 

in  these  countries.  The  most  recent  study  of  this 
"classical"  type  is  by Schlaginhaufen25  on  35,500 
Swiss  recruits,  while  Martin26  has  utilized 
Belgian  military  data  to  test  the  size  increase  of 
recruits  between  1842  and  1953. 

The  first  military  anthropometric  survey 
that  included  body  measurements  in  addition  to 
height  and  weight  and  which  was  intended  to 
guide  the  equipment  designer  was  apparently 
Davenport  and  Love's  Army  Anthropology , 27 
based  on  some  100,000  American  troops  measured 
upon  demobilization  in  1919-20.  This  monumental 
work  became  the  standard  description  of  U.S.  men 
between  the  two  World  Wars,  but  appears  never  to 
have  been  used  for  its  in  tended  purpose,  the  sizing 
of  clothing. 

In  the  Second  World  War  anthropometry  was 
for  the  first  time  successfully  applied  to  equip¬ 
ment  design,  based  on  surveys  made  in  the  U.S. 
Air  Force,28  the  British  Navy,29  and  the  Royal 
Air  Force.30  Since  then  military  anthropometry 
has  been  carried  out  extensively  in  the  U.S.  Army 
and  Air  Force 31  32  and  in  many  other  countries 
as  well,  while  few  civilian  anthropometric  studies 
have  been  undertaken. 

THE  MEASUREMENTS 

Eighteen  measurements  of  body  size  were 
taken  during  the  examination  to  provide  base¬ 
line  data  not  previously  available  on  the  anthro¬ 
pometry  of  the  adult  population  of  the  United  States. 
The  measurements  selected  were  those  which 
could  be  reliably  obtained  within  the  time  and 
facility  limitation  of  the  examination,  and  which 
are  most  widely  used  in  (a)  the  assessment 
of  growth,  aging,  and  other  aspects  of  the 


health  status  of  the  population;  (b)  the  design  of 
commercial,  industrial,  medical,  and  military 
equipment  to  ensure  its  safe,  efficient,  and  com¬ 
fortable  use;  (c)  the  assessment  of  various  physi¬ 
ological  processes;  and  (d)  many  other  research 
and  commercial  purposes. 

This  report  is  limited  to  descriptions  of  the 
age  and  sex  distributions  of  weight,  height,  and 
10  other  body  measurements  among  the  total  ci¬ 
vilian,  noninstitutional,  adult  population  of  the 
United  States. 

Measuring  Techniques 

All  measurements  were  made  with  the  exam¬ 
inee  stripped  to  the  waist  and  without  shoes,  but 
wearing  paper  slippers  and  a  lightweight,  knee- 
length  examining  gown.  Men's  trouser  pockets 
were  emptied.  Sitting  measurements  were  made 
with  the  examinee  seated  on  a  flat,  horizontal 
board,  with  the  knees  at  right  angles,  thighs 
horizontal,  and  popliteal  areas  (underpart  of 
thigh  behind  knee)  lightly  touching  the  seat  sur¬ 
face.  This  was  accomplished  by  inserting  or  re¬ 
moving  the  necessary  number  of  ^-inch  plywood 
boards  under  the  feet.  All  measurements  not  in 
the  midsagittal  plane  (parallel  to  the  long  axis  of 
the  body)  were  measured  on  the  right  side  of  the 
body,  unless  otherwise  noted. 

Measurements  were  taken  by  a  team  of  two 
trained  staff  observers  using  the  following  stand¬ 
ardized  procedures  illustrated  in  Appendix  I: 

Weight. — The  examinee  stood  without  support 
on  the  platform  of  an  automatic 
balancing  scale.  The  examinee's 
weight  was  reproduced  on  his  rec¬ 
ord,  which  was  inserted  in  the 
scale's  automatic  printer. 

Height. — The  examinee  stood  erect  on  a 
horizontal  platform  with  his  back 
against  a  vertical  measuring  scale  3 
inches  wide,  looking  straight  ahead 
with  his  head  in  the  Frankfort  hori¬ 
zontal  plane  (that  horizontal  plane 
which  includes  the  lower  margin  of 
the  bony  orbit — the  bony  socket  con¬ 
taining  the  eye— and  the  most  for¬ 
ward  point  in  the  supratragal  notch— 
the  notch  just  above  the  anterior 
cartilaginous  projection  of  the 


3 


external  ear).  A  horizontal  meas¬ 
uring  bar  (1^  inches  wide)  was  then 
brought  down  snugly  but  not  tightly 
on  the  top  of  the  head.  An  adhesive 
strip  with  the  examinee's  case  num¬ 
ber  was  attached  to  the  scale's 
pointer  support  and  the  position  of 
the  pointer  on  the  scale  was  photo¬ 
graphed.  For  examinees  too  tall  to 
be  photographed  (over  75  inches), 
height  was  measured  with  an  an- 
thropometer.  The  examinee  stood 
erect  on  the  floor,  heels  together, 
looking  straight  ahead  with  head 
in  the  Frankfort  horizontal,  arms 
hanging  at  sides.  The  anthropom- 
eter  was  held  perpendicular  to  the 
floor  in  the  midline  of  the  exam¬ 
inee's  back,  and  the  movable  bar 
was  brought  down  into  firm  contact 
with  the  top  of  the  head,  compress¬ 
ing  the  hair  if  necessary. 

Sitting  height  erect.  — The  examinee  sat 
erect — assisted,  if  necessary,  by  a 
gentle  push  in  the  sacral  area  of 
the  back — looking  straight  ahead, 
head  in  the  Frankfort  horizontal, 
knees  together,  elbows  at  sides, 
forearms  at  right  angles,  hands 
open,  palms  facing  each  other.  The 
anthropometer  was  held  vertically 
along  the  middle  of  the  back,  and 
the  measuring  bar  was  brought 
down  into  firm  contact  with  the  top 
of  the  head,  in  the  midline. 

Sitting  height  normal. — The  examinee  sat 
normally  relaxed,  hands  in  lap, 
looking  straight  ahead  with  head 
in  the  Frankfort  horizontal.  The 
measurement  was  taken  as  for  sit¬ 
ting  height  erect,  above. 

Knee  height. — The  examinee  sat  erect,  heels 
and  knees  together.  The  anthro¬ 
pometer  was  held  vertically,  and 
the  measurement  was  made  from 
the  top  of  the  footboard  to  the  top 
of  the  knee  just  in  back  of  the 
patella  (knee  cap),  with  the  hori¬ 
zontal  bar  in  light  contact  with  the 
leg. 


Popliteal  height. — The  examinee  sat  relaxed. 

The  measurement  was  made  with 
an  anthropometer  from  the  top  of 
the  footboard  to  the  top  of  the  sit¬ 
ting  surface. 

Elbow  rest  height.—  The  examinee  sat  erect, 
shoulders  relaxed,  both  elbows  at 
right  angles,  fingers  straight.  The 
measurement  was  made  with  an 
anthropometer  held  vertically  from 
the  sitting  surface  to  the  lowest 
bony  portion  of  the  elbow,  using 
light  contact  only. 

Thigh  clearance  height.  — The  examinee  sat 
erect,  knees  together,  heels  togeth¬ 
er,  right  hand  on  left  shoulder.  The 
measurement  was  made  with  an  an¬ 
thropometer,  from  the  top  of  the 
sitting  surface  to  the  junction  of  the 
abdomen  and  thigh,  with  the  cross¬ 
bar  in  firm  contact  to  compress  the 
clothing. 

Buttock-knee  length.—  The  examinee  sat 
erect,  knees  together,  hands  in  lap, 
popliteal  fossae  (hollows  at  the  back 
of  the  knee)  at  the  front  edge  of  the 
sitting  board.  The  measurement 
was  made  between  the  bars  of  the 
anthropometer,  from  the  mostpos- 
terior  protrusion  of  the  sacral  area 
to  the  foremost  edge  of  the  patella. 

Buttock- popliteal  length.—  The  examinee  sat 
erect,  hands  on  knees ,  popliteal  fos¬ 
sae  at  the  edge  of  the  sitting  board. 
The  measurement  was  made  with  an 
anthropometer,  from  the  inner  edge 
of  a  backboard  (held  in  light  con  tact 
with  the  examinee's  back  at  right 
angles  to  the  sitting  board)  to  the 
front  edge  of  the  sitting  surface. 

Elbow -to- elbow  breadth.  —  The  examinee  sat 
erect,  knees  together,  forearms  at 
right  angles,  hands  open,  palms 
facing  each  other,  and  elbows  held 
as  tightly  as  possible  to  the  sides. 
The  measurement  was  made  with 
an  anthropometer,  across  the  hu¬ 
meral  epicondyles  (lateral  projec¬ 
tions  of  the  elbows)  with  firm 
pressure. 


4 


Seat  breadth. — The  examinee  sat  erect,  knees 
together,  hands  on  knees.  The 
measurement  was  made  with  an 
anthropometer,  across  the  greatest 
lateral  protrusion  on  each  side  of 
the  buttocks,  using  light  but  sure 
contact  to  compress  the  clothing 
but  not  the  body. 

The  Effect  of  Clothing  on 
Body  Measurements 

As  noted,  all  measurements  were  made  with 
the  examinee  stripped  to  the  waist,  pockets  emp¬ 
tied,  without  shoes,  and  wearing  a  knee-length 
examining  gown  and  paper  slippers.  Measure¬ 
ments  uninfluenced  or  insignificantly  influenced  by 
the  clothing  worn  are  height,  sitting  height  erect, 
sitting  height  normal,  knee  height,  popliteal 
height,  elbow  rest  height,  and  elbow-to-elbow 
breadth.  Body  dimensions  in  which  clothing  could 
have  affected  the  measured  values  are  thigh 
clearance  height,  buttock-knee  length,  buttock- 
popliteal  length,  and  seat  breadth.  However,  all 
of  these  dimensions  were  taken  with  enough 
pressure  on  the  anthropometer  to  compress  the 
clothing.  While  the  present  values  may  not  be 
identical  to  nude  values,  it  is  likely  that  the 
differences,  if  any,  are  negligible— at  least  from 
the  point  of  view  of  equipment  design.  All  body 
dimensions  are,  therefore,  published  without  a 
correction  for  clothing. 

Weight,  however,  is  a  different  problem.  Un¬ 
derclothing,  trousers  or  skirt,  hospital  gown,  and 
paper  slippers  significantly  increase  nude  weight. 
Although  the  precise  amount  varies,  average  in¬ 
crements  can  be  estimated.  In  the  Canadian  height 
and  weight  survey6  166  persons,  74  men  and  92 
women,  were  measured  nude  and  with  "ordinary 
indoor  clothing"  minus  shoes  and  jacket.  The 
average  weight  of  men's  clothing  was  found  to  be 
3.07  pounds,  and  of  women's  clothing,  2.15  pounds. 
In  the  present  survey  the  removal  of  all  clothing 
above  the  waist  and,  for  men,  pocket  contents  as 
well,  generally  subtracted  more  weight  than  was 
added  by  the  examining  gown  and  slippers,  thus 
making  total  clothing  weights  somewhat  less  than 
in  the  Canadian  survey.  A  small  series  of  rep¬ 
resentative  clothing  checked  by  the  authors  showed 


the  weight  of  men's  clothing  worn  in  the  survey 
to  be  slightly  over  2  pounds  and  that  of  women’s 
clothing  to  be  slightly  less  than  2  pounds.  The 
values  for  weight  presented  in  table  1  are  shown 
as  measured  during  the  survey  and  are  not  cor¬ 
rected  for  clothing.  For  approximate  nude  weights, 
2  pounds  should  be  subtracted  from  these  figures. 


RELIABILITY  OF  MEASUREMENTS 

The  quality  of  the  data  obtained  through  the 
standardized  measurement  procedures  was  main¬ 
tained  in  three  ways — by  training,  by  using  auto¬ 
matic  measuring  devices  where  possible,  and  by 
building  safeguards  into  a  team  system. 

Prior  to  the  start  of  the  survey,  the  staff 
nurse  and  technician  on  each  of  the  two  caravans 
were  given  intensive  training  by  two  of  the  authors, 
who  advised  on  the  selection  of  the  series  of 
measurements  and  developed  the  specific  tech¬ 
niques  used  in  the  survey.  At  several  times  during 
the  course  of  the  survey,  these  authors  visited 
the  examining  units  to  observe  and  retrain  the 
staff  team. 

Recording  errors  for  height  and  weight  were 
essentially  eliminated  through  the  use  of  the  auto¬ 
matic  recording  devices  described  in  the  preced¬ 
ing  sections— automatic  printing  of  weight  and 
photographs  of  height  in  both  centimeters  and 
inches. 

All  other  measurements  were  taken  by  a  team 
of  two  persons,  the  nurse  and  the  technician,  one 
acting  as  observer  and  the  other  as  recorder.  The 
observer  took  the  measurements,  calling  out  the 
results  (read  to  the  nearest  millimeter)  to  the 
recorder,  who  repeated  them  and  then  called  out 
the  name  of  the  next  measurement.  The  observer 
kept  the  measuring  instrument  in  place  until  the 
recorder  repeated  the  number.  The  recorder 
positioned  the  right-angle  backboard  for  the 
buttock-popliteal  length  and  generally  checked 
the  examinee's  position  during  the  procedure. 

Any  modification  in  measurement  tech¬ 
niques— such  as  left-side  rather  than  right-side 
measurements  required  because  of  amputations 
or  casts,  abnormal  conditions  such  as  height  de¬ 
creased  from  a  hunched  condition,  or  weight  in¬ 
creased  from  pregnancy— were  noted  on  the 


5 


record,  where  they  could  be  taken  into  consider¬ 
ation  in  data  analysis.  Weight  was  read  off  the 
stamp  on  the  record  to  the  nearest  half  pound. 
Other  measurements  were  recorded  to  the  nearest 
millimeter.  Body  dimensions  measured  with  the 
upper  sections  of  the  anthropometer  were  re¬ 
corded  as  read  from  the  anthropometer  scale, 
and  the  length  of  the  anthropometer  base  section, 
which  was  not  used  in  these  measurements,  was 
later  subtracted  mechanically.  Conversion  of 
measurements  from  centimeters  to  inches  was 
also  done  later  mechanically. 

FACTORS  INFLUENCING 
COMPARISONS  OF  HUMAN 
BODY  SIZE 

For  the  proper  interpretation  of  the  anthro¬ 
pometric  data  from  the  Health  Examination  Sur¬ 
vey,  the  following  critical  factors  that  can  cause 
group  differences  in  body  size  need  to  be  kept  in 
mind: 

1.  The  makeup  of  the  population  measured, 
in  terms  of  age,  race,  and  socioeconomic 
background. 

2.  Differences  between  civilians  and  mili¬ 
tary  personnel. 

3.  The  time  period  of  the  study,  since  there 
may  be  population  changes  in  body  size 
over  time. 

4.  Differences  in  the  measuring  techniques 
employed. 

It  is  particularly  desirable  to  consider  these 
factors  carefully  when  the  anthropometric  data 
from  the  present  study  are  compared  with  those 
from  other  studies  of  various  population  segments 
of  the  United  States.  A  more  thorough  review  of 
the  possible  effect  of  these  factors  on  the  findings 
is  contained  in  the  section  entitled  "Discussion." 

When  assessing  differences  between  findings 
from  this  Survey  and  those  from  other  studies, 
the  size  of  the  groups  and  their  appropriate 
sampling  or  standard  errors  also  need  to  be 
considered  in  order  to  avoid  claiming  significance 
when,  in  fact,  none  exists.  For  this  Survey  the 
design  of  the  sample  made  possible  the  calcula¬ 
tion  from  the  sample  data  of  the  sampling  errors 
shown  in  Appendix  II.  These  errors,  of  course, 
tend  to  be  large  when  the  number  of  examinees 
in  a  particular  age-sex  group  is  small.  For  ex¬ 


ample,  differences  in  weight  of  a  pound  or  more 
would  be  considered  statistically  significant  here 
(would  fall  outside  the  95  percent  confidence 
limit)  for  persons  in  the  age  groups  under  65, 
while  differences  of  1.5  pounds  or  more  would  be 
needed  to  support  the  statement  that  a  real 
difference  exists  for  the  oldest  age  group. 

FINDINGS 

Anthropometric  data  for  the  adult  civilian, 
noninstitutional  population  of  the  United  States 
aged  18-79  years  as  determined  from  the  Health 
Examination  Survey  are  presented  here.  The 
findings  are  discussed  briefly,  and  comparisons 
are  restricted  to  data  from  previous  anthro¬ 
pometric  surveys  of  different  segments  of  the 
United  States  or  of  the  Canadian  population. 
Where  the  data  available  for  certain  dimensions 
from  previous  studies  are  not  strictly  comparable, 
special  problems  concerning  these  studies  are 
noted. 

Weight 

For  men  in  the  general  civilian  population, 
weight  averages  168  pounds.  The  youngest  group, 
18-24  years,  averages  160  pounds.  Weight  then 
increases  with  age  to  171  pounds  for  those  aged 
25-34  years,  and  to  a  maximum  average  of  172 
pounds  for  those  between  35  and  54  years  of  age. 
Thereafter  weight  decreases  to  166  pounds  at 
55-64  years,  160  pounds  at  65-74  years,  and 
finally  to  the  lowest  average — 150  pounds — for 
the  oldest  age  group  measured,  75-79  years 
(table  1  and  fig.  1). 

This  pattern  of  weight  gain  in  the  middle 
years  and  of  gradual  decline  with  advancing  age 
is  clearly  illustrated  in  figure  2,  which  shows 
the  proportionate  change  in  average  weight  with 
age  over  the  mean  for  the  group  aged  18-24 
years.  How  much  this  trend  is  influenced  by 
secular  changes  in  body  size  for  successive  gen¬ 
erations  represented  in  this  cross-sectional  view 
of  the  population  cannot  be  accurately  assessed 
from  the  data  available. 

About  90  percent  of  all  men  in  this  population 
range  in  weight  between  126  and  217  pounds,  and 
probably  97  to  99  percent  weigh  between  112  and 
241  pounds  (tables  1  and  13). 

Weights  are  available  for  comparative  pur¬ 
poses  on  samples  of  various  civilian  and  mili¬ 
tary  groups,  though  most  of  the  data  for  civilians 


6 


POUNDS 


Figure  I.  Average  weight  in  pounds  for  adults 
18-79  years. 


are  not  as  recent,  representative,  nor  reliable 
as  could  be  wished.  To  permit  more  accurate 
comparisons,  the  weights  of  all  groups  presented 
in  this  section  have  been  standardized  for  clothing 
(i.e.,  2  pounds  have  been  added  to  all  nude  weights 
to  approximate  the  partly  clothed  weights  obtained 
in  the  present  Survey;  similarly,  appropriate 
amounts  of  2-4  pounds  have  been  subtracted  from 
groups  weighed  fully  clothed).  Because  of  the 
marked  association  of  weight  with  age,  special 
attention  needs  to  be  paid  to  the  age  range  of  the 
groups  compared. 

Civilian  registrants  for  Selective  Service 
during  1957  and  1958  in  the  age  range  20-25 
years  (including  those  subsequently  rejected  as 
well  as  those  accepted)  when  age-adjusted  to 
correspond  to  the  U.S.  male  population  of  com¬ 
parable  age17  were  2  pounds  lighter  than  the 
average  for  the  group  18-24  years  in  the  present 
study. 

A  large  series  of  more  than  75,000  male 
students,  aged  18-24  years,  measured  at  87 
colleges  across  the  country  in  1948-50  for  the 
American  College  Health  Association  study33  had 
an  average  weight  3  pounds  less  than  for  the  same 
age  range  of  the  general  population.  A  smaller 
series  of  some  15,000  students  aged  25-34  years 
measured  at  the  same  time  in  the  same  colleges 
for  that  study  averaged  10  pounds  less  than  the 
present  civilian  population  of  that  age.  Students 


Figure  2.  Relative  change  in  weight  with  age  over 
the  mean  for  men  and  women  aged  18-24  years. 


aged  18-22  years  entering  the  University  of  Kansas 
in  1948-52 34  averaged  2  pounds  lighter,  and  more 
recently,  1 8-year-old  students  entering  Amherst 
and  Yale  in  1955-57 35  36  had  the  same  weightas 
the  present  findings  for  those  18-24  years  of  age. 

At  the  other  end  of  the  age  range  a  series  of 
Spanish-American  War  veterans  with  an  average 
age  of  81  years  in  1959 37  were  4  pounds  heavier 
than  the  average  of  150  pounds  for  the  group  of 
the  general  population  aged  75-79  years. 

Nearly  2,000  male  railroad  travelers,  with  an 
average  age  of  38  as  reported  in  1945, 38  hada  me¬ 
dian  weight  3  pounds  lighter  than  present  findings 
for  the  general  population,  while  a  series  of  truck 
and  bus  drivers  with  an  average  age  of  36  years 
were  1  pound  heavier.39  Airline  piolots , 40  averag¬ 
ing  32  years,  had  about  the  same  average  weight, 
as  stated  (not  measured). 

Comparison  with  data  obtained  in  the  1959 
study  made  by  the  Society  of  Actuaries 14  on 
weights  of  some  290,000  men  insured  by  26  large 
life  insurance  companies  in  the  United  States  and 
Canada  between  1935  and  1954  is  difficult  because 


7 


no  adequate  basis  is  available  to  use  in  compen¬ 
sating  for  highly  variable  clothing  weights  and 
different  measuring  techniques.  For  example, 
some  examinees  weighed  with,  and  some  without, 
coats  and  shoes,  and  some  weights  were  measured, 
while  others  were  reported  by  the  examinee. 

The  Canadian  Survey  of  1953  is  the  only 
study  similar  to  the  Health  Examination  Survey 
in  which  height  and  weight  data  were  obtained  on 
a  stratified,  probability  sample  of  a  national  pop¬ 
ulation— in  this  case,  Canadians  aged  2  years  and 
above.5  6  The  differences  over  the  age  ranges 
between  18  and  64  years,  when  compared  with  the 
United  States  population,  varied  from  6  to  12 
pounds,  with  an  average  difference  of  about  8 
pounds,  the  U.S.  population  being  consistently 
heavier.  The  disparity  between  the  two  national 
populations  was  most  marked,  12  pounds,  in  the 
range  18-24  years. 

Comparison  with  weight  data  for  various 
groups  of  military  personnel  shows  that  Army 
separatees  of  1946 31  with  an  average  age  of  23 
years  averaged  3  pounds  lighter  than  the  group 
aged  18-24  years  of  the  present  civilian  popula¬ 
tion,  but  more  recent  data  show  Army  inductees 
aged  20-25  years  to  be  1  pound  heavier  than  this 
civilian  group.17  Four  hundred  white  soldiers  in 
1960,  average  age  24,  weighed  3  pounds  more41 
than  the  present  civilian  findings  at  18-24  years, 
while  Army  aviators,  average  age  30,  were  3 
pounds  lighter42  than  the  present  civilian  findings 
at  25-34  years.  Air  Force  flyers  of  1950,  average 
age  27 ,43  were  about  5  pounds  lighter  than  civil¬ 
ians  roughly  comparable  in  age,  while  Air  Force 
basic  trainees,44  average  age  18,  were  11  pounds 
lighter  than  civilians  aged  18-24  years.  When 
compared  with  various  Navy  groups,  the  civilians 
aged  18-24  years  range  from  18  pounds  heavier 
on  the  average  than  a  group  of  18-year-old  re¬ 
cruits45  to  15  pounds  lighter  than  a  group  of  24- 
year-old  submarine  officers.46 

For  women  in  the  civilian  population,  weight 
averages  142  pounds,  or  26  pounds  less  than  the 
average  for  men.  The  distribution  of  average 
weights  by  age  for  women  differs  somewhat  from 
that  for  men,  as  indicated  in  table  1  and  figure  1. 
The  youngest  age  group,  18-24  years,  is  the 
lightest,  averaging  129  pounds.  Thereafter  weight 
increases  with  age  to  136  pounds  at  25-34  years, 
144  pounds  at  35-44  years,  147  pounds  at  45-54 
years,  and  a  maximum  of  152  pounds  for  those 


55-64  years  of  age.  After  55-64  years,  weight 
drops  to  146  pounds  at  65-74  years  and  to  138 
pounds  at  75-79  years.  Thus  women  generally 
appear  to  achieve  their  maximum  weights  about 
two  decades  later  than  do  men  and  to  have  a 
greater  relative  gain  with  age.  This  lag  may,  of 
course,  be  due  to  the  greater  attention  to  "weight 
watching"  and  appearance  on  the  part  of  younger 
women.  Here  again  it  is  not  possible  to  determine 
from  the  Survey  data  how  much  these  findings 
may  be  influenced  by  any  changes  in  body  size  for 
the  successive  generations  in  this  cross  section 
of  the  population. 

Roughly  90  percent  of  all  women  in  this  pop¬ 
ulation  range  in  weightbetween  104  and  199 pounds 
and  probably  97  to  99  percent  fall  between  93 
and  236  pounds  (tables  1  and  14). 

Comparisons  of  the  current  findings  with 
those  from  some  of  the  major  studies  among 
specific  subgroups  of  women  in  the  United  States 
follow . 

In  the  Department  of  Agriculture  clothing 
survey  of  1939  and  1940, 8  a  series  of  10,000 
women  with  an  average  age  of  34  years  were 
measured.  Their  weight  averaged  1  pound  less 
than  the  present  findings  for  women  aged  25-34 
years  throughout  the  country  and  9  pounds  less 
than  the  group  aged  35-44  years. 

A  group  of  1,900  women  railroad  travelers, 
average  age  35  years,  as  reported  in  1945 38  were 
6  pounds  lighter  than  the  present  population;  a 
group  of  100  healthy  working  women  reported  in 
1934, 47  average  age  36,  were  4  pounds  lighter. 

The  40,000  women  aged  18-24  years  who 
entered  88  different  colleges  across  the  country 
in  1948-50  measured  in  the  American  College 
Health  Association  study  averaged  2  pounds  lighter 
than  those  in  the  same  age  group  of  the  general 
population.  A  smaller  series  of  students  aged 
25-34  years  at  the  same  colleges33  were  7  pounds 
lighter  than  their  counterparts  in  the  present 
study.  In  more  recent  studies,  students  entering 
Vassar  and  Smith  in  1955  -  57  48  49  weighed  the 
same,  while  women  students  at  the  University  of 
Kansas  during  1953-57 50  averaged  2  pounds 
lighter  than  the  present  population  of  roughly 
comparable  age. 

Weight  data  for  women  from  the  1959  study 
of  the  Society  of  Actuaries  are  not  strictly  com¬ 
parable  for  the  reasons  mentioned  above. 


8 


The  stratified,  random  sample  of  Canadian 
women  aged  18-64  years  and  above5  6  has  an 
average  weight  about  6  pounds  lighter  than 
their  present-day  counterparts  from  the  United 
States  over  the  various  age  groups  between  18 
and  64  years. 

When  compared  with  women  of  similar  age 
in  the  Armed  Forces  in  1944-46,  the  general  ci¬ 
vilian  population  tends  to  be  slightly  heavier. 
Women's  Army  Corps  (WAC)  officers,  average 
age  31  years,  were  1  pound  heavier  than  those 
aged  25-34  years  of  the  civilian  population;  WAC 
enlisted  women,  average  age  26,  were  1  pound 
lighter;  and  Army  nurses,  average  age  again  26, 
were  also  1  pound  lighter. 51  Army  Air  Forces 
flight  nurses,  age  span  not  given,  and  Womens' 
Auxiliary  Service  Pilots  (WASP'S)  ranging  in  age 
from  18  to  35  years52  were  12  and  5  pounds 
lighter,  respectively,  than  the  age  range  25-34 
years  of  the  civilian  population.  Basic  trainees 
of  Women  in  the  Air  Force  (WAF)  with  an 
average  age  of  19  years  53  were  4  pounds  lighter 
than  women  civilians  in  the  age  range  18-24  years. 

Height 

Men  in  the  general  civilian  population  average 
68.2  inches  in  height.  By  age,  the  maximum 
average  height  (69.1  inches)  occurs  in  the  age 
range  25-34  years  and  is  just  0.4  inch  taller  than 
the  youngest  and  3.2  inches  taller  than  the  oldest 
age  group  (table  2  and  fig.  3).  From  ages  25-34 
on,  there  is  a  small  but  consistent  decrease  in 
height  with  increasing  age  to  68.5  inches  for 
those  aged  35-44  years;  68.2  inches  at  45-54 
years  of  age;  67.4  inches  at  55-64  years;  66.9 
inches  at  65-74  years;  and  a  low  of  65.9  inches 
at  75-79  years. 

About  90  percent  of  all  men  in  this  population 
range  in  height  between  63.6  and  72.8  inches, 
and  probably  97  to  99  percent  fall  between  61.7 
and  74.6  inches  (tables  2  and  15). 

Measured  heights  are  available  from  studies 
among  various  subgroups  of  the  population  of 
this  country,  civilian  and  military.  Comparison 
of  the  present  findings  with  those  from  other 
studies  is  made  here  after  appropriate  adjust¬ 
ment  is  taken  for  shoe  height. 

Civilian  registrants  for  Selective  Service  in 
the  age  range  17-25  years  during  1957  and  1958 
(including  those  subsequently  inducted  and  re¬ 


el  □ _ I _ I _ I _ I _ I _ H 

20  30  40  50  60  70  80 

AGE  IN  YEARS 


Figure  3.  Average  height  in  inches  for  adults 
18-79  years. 


jected),  when  age-adjusted  to  correspond  to  the 
U.S.  male  population  of  comparable  age,17  were 
similar  in  height  to  those  of  comparable  age  in  the 
general  population. 

The  series  of  75,000  male  students,  aged  18- 
24  years,  measured  at  87  colleges  across  the 
country  between  1948  and  1950  averaged  69.6 
inches  in  height,33  0.9  inch  taller  than  the  same 
age  range  of  the  general  population.  The  15,000 
older  students,  aged  25-34  years,  from  the  same 
colleges  in  that  study  averaged  69.3  inches  in 
height,  or  approximately  the  same  as  for  the 
comparable  age  range  of  the  general  population. 


9 


Students  18-22  years  of  age  entering  the 
University  of  Kansas  between  1948  and  1952 
averaged  70.0  inches  in  height,34  while  more 
recently,  18-year-old  students  entering  Amherst 
and  Yale  in  1955-57  averaged  70.6  and  70.5  inches, 
respectively.  35  36  All  three  groups  were  taller 
than  present  findings  for  the  general  population 
of  that  age. 

At  the  older  end  of  the  adult  age  range,  the 
group  of  100  Spanish-American  War  veterans 
averaging  81  years  of  age37  were  of  approxi¬ 
mately  the  same  height  as  those  75-79  years  of 
age  in  the  present  study. 

The  large  series  of  adult  railroad  trav¬ 
elers,38  as  well  as  the  commerical  truck  and  bus 
drivers,39  were  of  essentially  the  same  height. 
In  1946  some  7,000  licensed  airline  pilots — a 
highly  selected  group  physically— averaging  32 
years  of  age,  had  stated  heights  that  were  greater 
by  1.8  inches.40 

Heights,  with  an  estimated  correction  for 
shoes,  from  the  1959  Society  of  Actuaries  study14 
were  consistently  shorter  than  present  findings  for 
adult  men  by  amounts  varying  according  to  age, 
but  averaging  over  0.4  inch.  More  precise  es¬ 
timates  of  differences  in  height  between  these 
two  studies  are  difficult  to  obtain  because  of 
certain  features  inherent  in  the  collection  and 
presentation  of  the  data  on  the  insured  population. 


Canadian  survey  findings  of  19535  6  for  men 
18-64  years  showed  an  average  height  1.1  inches 
less  than  present  findings  in  the  United  States. 
By  age,  these  national  height  differences  are 
more  marked  for  the  older  groups,  varying  1.4 
inches  at  55-64  years  and  thereafter  declining 
consistently  with  decreasing  age  to  0.7  inch  at 
18-24  years. 

Comparative  data  for  the  present  civilian 
population  and  those  for  various  military  groups 
are  shown  in  table  A.  Army  and  Navy  pilots 
averaged  somewhat  taller,  while  other  military 
groups  were  of  about  the  same  height  as  the 
present-day  civilians  of  roughly  comparable  age. 

For  women  in  the  general  civilian  population, 
height  averages  63.0  inches,  or  5.2  inches  less 
than  the  average  for  men.  Unlike  men,  the  maxi¬ 
mum  average  height  for  women,  63.8  inches,  is 
attained  in  the  youngest  age  group  measured,  18- 
24  years  (table  2).  By  25-34  years,  average 
height  decreases  slightly  to  63.7  inches ,  then  con¬ 
tinues  to  fall  off  with  age  to  63.5  inches  for  those 
35-44  years  old;  62.9  inches  at  45-54  years;  62.4 
inches  at  55-64  years;  61.5  inches  at  65-74  years; 
and  finally,  61.1  inches  among  persons  75-79 
years  of  age.  The  maximum  difference  between 
the  youngest  and  oldest  is  2.7  inches. 

On  the  average,  the  relative  decrease  of 
height  with  age  from  45-79  years  is  similar  for 
men  and  women,  as  shown  in  figure  4. 


Table  A.  Average  height  in  inches  of  men  in  the  civilian  population  of  the  United 
States,  1960-62,  and  selected  military  groups,  data  measured,  number  examined,  and 
average  age. 


Selected  group 

Date 

measured 

Number 

examined 

Average 

Age 

Height 

Total  civilian  men: 

18-24  years - 

1960-62 

411 

21 

*68 . 7 

25-34  years - 

1960-62 

675 

30 

*69.1 

Army  separatees3! - 

1946 

24,508 

24 

68.4 

Army  drivers41 - 

1960 

431 

24 

69.2 

Army  aviators42 - 

1959 

500 

30 

69.5 

Air  Force  flyers43 - 

1950 

4,062 

27 

69.1 

Air  Force  ground  trainees44 - 

1952 

3,331 

18 

68.5 

Navy  recruits54 - 

1947 

5,010 

18 

68.5 

Navy  pilots55 - 

1955 

1,190 

70.2 

Averages  based  on  findings  from  the  sample  when  weighted  to  produce  estimates  for 
the  population  from  which  it  was  drawn  in  the  manner  described  in  Appendix  II. 


10 


PERCENT 


YEARS  YEARS  YEARS  YEARS  YEARS  YEARS  YEARS 


Figure  4.  Relative  change  in  height  with  age  over 
the  mean  for  men  and  women  aged  18-24  years. 


About  90  percent  of  all  women  in  the  civilian 
population  fall  between  59.0  and  67.1  inches  in 
height,  while  probably  97  to  99  percent  fall  be¬ 
tween  57.1  and  68.8  inches  (tables  2  and  16). 

Specific  comparisons  of  the  present  findings 
for  women  in  this  country  with  previously  meas¬ 
ured  groups  of  the  population  yield  the  following 
results. 

On  the  average,  they  are  approximately  the 
same  height  as  the  large  series  of  women  of  com¬ 
parable  age  measured  in  the  Department  of  Agri¬ 
culture  clothing-size  survey  of  1939-40;8  0.6  inch 
shorter  than  a  small  group  of  white  working 
women  in  California  chiefly  of  Northwestern 
European  descent,  who  were  specially  selected 
for  their  good  health;47  and  approximately  the 
same  height  as  the  large  series  of  women  rail¬ 
road  travelers.38 

They  are  taller  than  70,000  insured  women 
in  the  Society  of  Actuaries  study,  measured 
between  1935  and  1954, 14  by  amounts  varying  up 
to  0.8  inch  in  some  age  groups.  As  noted  above, 
special  characteristics  of  this  actuarial  study, 
plus  the  difficulty  of  obtaining  an  adequate  cor¬ 
rection  factor  for  women's  shoes,  preclude  more 
accurate  comparisons  with  this  group. 


More  than  40,000  women  students,  18-24 
years  of  age,  who  entered  88  different  colleges 
across  the  country  in  1948-50  had  an  average 
height  of  64.5  inches,  0.7  inch  more  than  present 
findings  for  all  women  in  this  age  group.  A  smaller 
series  of  2,600  older  students,  aged  25-34  years, 
from  the  same  colleges  and  measured  in  the  same 
years,  had  an  average  height  of  64.3  inches,  0.6 
inch  taller  than  the  comparable  age  group  of  the 
general  population.33  More  recently,  students 
entering  Vassar  and  Smith  in  1955-57  had  average 
heights  of  65.2  and  65.3  inches,  respectively48  49 
and  women  students  at  the  University  of  Kansas 
during  1953-57  aged  17-21  years  averaged  65.2 
inches.50 

The  1953  Canadian  Survey  findings  showed 
that  women  18-64  years  of  age  in  that  country 
averaged  61.9  inches  in  height,  or  1.1  inches 
shorter  than  their  present  U.S.  counterparts.5  6 
The  trend  in  "height  changes"  with  age  is  similar 
for  the  two  national  groups,  with  the  U.S.  women 
remaining  taller  by  roughly  the  same  amount  at 
every  age  level. 

As  for  women  in  military  service  for  whom 
published  height  data  are  available,  most  were 
taller  than  the  present  civilian  population  of 
women,  as  indicated  in  table  B. 

Sitting  Height,  Erect 

Erect  sitting  height  for  men  aged  18-79  years 
averages  35.6  inches.  This  measurement  has  a 
maximum  average  value  of  36.0  inches  between 
25  and  34  years,  then  decreases  slightly  with  each 
succeeding  age  group  to  a  minimum  value  of  34.2 
inches  at  75-79  years,  a  pattern  similar  to  that 
for  total  height.  About  90  percent  of  the  men  in 
this  population  have  sitting  heights  ranging  be¬ 
tween  33.2  inches  and  38.0  inches,  and  probably 
97  to  99  percent  measure  between  31.9  and  38.9 
inches  (table  3  and  fig.  5). 

This  measurement  is  available  on  various 
subgroups  of  the  population— civilian  and  mili¬ 
tary-most  of  which  have  slightly  longer  trunks 
than  in  the  present  study,  as  shown  in  table  C. 

For  women  18-79  years  of  age,  erect  sitting 
height  averages  33.3  inches,  or  2.3  inches  less 
than  that  for  men.  This  measurement  has  its 
highest  average  values,  33.7  inches,  between  25 
and  44  years,  and  thereafter  declines  slowly  with 


11 


Table  B.  Average  height  in  inches  of  women  in  the  civilian  population  of  the  United 
States,  1960-62,  and  for  selected  military  groups,  date  measured,  number  examined, 
and  average  age . 


Selected  group 

Date 

measured 

Number 

examined 

Average 

Age 

Height 

Total  civilian  women: 

18-24  years - 

1960-62 

534 

21 

,63.8 

25-34  years - 

1960-62 

746 

30 

63.7 

Army  (WAC)  officers51 - 

1946 

466 

31 

64.9 

Army  enlisted  women  51 - 

1946 

4,300 

26 

64.0 

Army  nurses51 - 

1946 

3,488 

26 

64.3 

Air  Force  WASP's52 - 

1943 

447 

- 

64.9 

Air  Force  flight  nurses52 - 

1943 

152 

- 

63.5 

Air  Force  WAF  trainees53 - 

1952 

851 

19 

64.1 

'Averages  based  on  findings  from  the  sample  when  weighted  to  produce  estimates  for 
population  from  which  it  was  drawn  in  the  manner  described  in  Appendix  II. 


Table  C.  Average  sitting  height,  erect,  in  inches  for  civilian  men  in  the  United 
States,  1960-62,  and  for  selected  groups  of  civilian  and  military  men,  date  measured, 
number  examined,  and  average  age. 


Selected  group 

Date 

measured 

Number 

examined 

Average 

m 

Sitting 

height 

Civilian 

Total  civilian  men,  18-79  years - 

1960-62 

3,091 

*44 

*35.6 

18-24  years - 

1960-62 

411 

- 

^35 .8 

25-34  years - 

1960-62 

675 

- 

}36.0 

35-44  years - 

1960-62 

703 

- 

7  35.9 

75-79  years - 

1960-62 

72 

34.2 

Harvard  freshmen56 - 

1940 

174 

18 

36.5 

Bus  and  truck  dr iver  s39 - 

1950 

269 

37 

36.2 

Healthy  veterans57 - 

1960 

114 

38 

36.6 

Spanish  American  War  veterans37 - 

1960 

119 

81 

34.8 

Military  servicemen 

Army  separatees31 - 

1946 

24,352 

24 

35.8 

Army  drivers41 - 

1960 

431 

24 

35.9 

Army  aviators42 - 

1960 

500 

30 

35.6 

Air  Force  flyers43 - 

1950 

4,061 

27 

35.9 

Naval  enlisted  men58 - 

1955 

124 

- 

36.3 

Naval  aviation  cadets58 - 

1955 

340 

- 

36.7 

Naval  pilots55 - 

1958 

1,190 

“ 

36.0 

Averages  based  on  findings  from  the  sample  when  weighted  to  produce  estimates  for 
population  from  which  it  was  drawn  in  the  manner  described  in  Appendix  II. 


12 


Figure  5.  Average  sitting  height  erect  for  adults 
18-79  years. 


age  to  31.7  inches  for  those  75-79  years  of  age. 
In  this  population  about  90  percent  of  the  women's 
sitting  heights  range  between 30.9  and  35.7  inches, 
and  probably  97  to  99  percent  fall  between  29.5  and 
36.6  inches. 

Comparable  data,  available  only  from  small 
studies  completed  20  to  30  years  ago,  are  shown 
in  table  D. 

Sitting  Height,  Normal 

For  men  in  the  civilian  population,  this  di¬ 
mension  averages  34.1  inches— 1.5  inches  less 
than  erect  sitting  height.  Normal  sitting  height  has 
a  maximum  average  value  of  34.4  inches  at 25-34 
years,  then  declines  with  age  to  a  low  of  33.0 
inches  for  the  group  75-79  years  of  age.  A  range 
between  31.6  and  36.6  inches  will  include  roughly 
90  percent  of  this  population,  and  a  range  between 
30.4  and  37.6  inches  will  include  probably  97  to 
99  percent  (table  4  and  fig.  6). 

Few  comparative  data  are  available  for  this 
measurement.  The  series  of  civilian  truck  and  bus 
drivers  were  larger  by  0.3  inch,39  while  the  group 


Table  D.  Average  sitting  height,  erect,  in  inches,  for  women  in  the  United  States, 
date  measured,  number  examined,  and  average  age. 


Average 

Selected  group 

measured 

examined 

Age 

Sitting 

height 

Total  civilian  women,  18-79  years - 

1960-62 

3,581 

t44 

433 . 3 

18-24  years - 

1960-62 

534 

_ 

*33.6 

25-34  years - 

1960-62 

746 

- 

,33 . 7 

35-44  years - 

1960-62 

784 

- 

*33.7 

College  girls,  "Old  American" 59 - 

1930 

161 

19 

33.6 

College  girls,  "Old  American"60 - 

1920 's 

198 

18 

34.2 

Working  women47 - 

1930 

100 

36 

33.7 

Air  Force  WASP's52 - 

1943 

446 

- 

34.1 

Air  Force  flight  nurses52 - 

1943 

152 

“ 

33.7 

Averages  based  on  findings  from  the  sample  when  weighted  to  produce  estimates  for 
population  from  which  it  was  drawn  in  the  manner  described  in  Appendix  II. 


13 


Figure  6.  Average  sitting  height  normal  for  adults 
18-79  years. 

of  white  Army  drivers41  had  nearly  the  same 
average  value  as  the  total  civilian  population  of 
comparable  age. 

In  women,  normal  sitting  height  averages 
32.2  inches,  1.9  inches  less  than  the  same 
measurement  in  men.  The  maximum  average  value 
of  32.6  inches  occurs  among  those  aged  25-44 
years;  the  average  then  declines  to  a  minimum 
of  30.5  inches  for  those  75-79  years  of  age.  About 
90  percent  of  the  women  range  between  29.6  and 
34.7  inches  in  normal  sitting  height,  and  probably 
97  to  99  percent  fall  between 28.2  and 35.7  inches. 

Sitting  height,  normal,  is  not  available  from 
other  studies  among  women. 

"Slump,"  which  is  obtained  by  subtracting  the 
normal  from  the  erect  measurements  of  sitting 
height,  averages  1.5  inches  in  men.  It  is  maximum, 
1.6  to  1.7  inches,  for  those  18-54  years  of  age, 
and  lowest,  1.2  inches,  at  75-79  years.  The  dif¬ 
ference  reflects  the  greater  spinal  rigidity  among 
older  persons.  "Slump"  is  very  slightly  greater 
among  smaller  persons  (1.5  inches  at  the  1st 
percentile  and  1.6  inches  at  the  5th)  than  among 
the  larger  (1.4  inches  at  the  95th  percentile  and 
1.3  inches  at  the  99th).  In  men,  "slump"  averages 
about  4.2  percent  of  erect  sitting  height. 


"Slump"  averages  about  1.1  inches  in  women, 
or  3.3  percent  of  erect  sitting  height,  and  varies 
little  with  age.  As  with  men,  it  is  greatest  at  the 
lower  percentiles  (1.3  inches  at  the  1st  and  5th) 
and  less  at  the  higher  percentiles  (1.0  inch  at  the 
95th  and  0.9  inch  at  the  99th). 

Knee  Height 

Knee  height  in  men  averages  21.3  inches.  In 
a  manner  similar  to  the  pattern  for  total  height, 
it  reaches  a  maximum  of  21.6  inches  by  25-34 
years,  then  declines  slowly  to  20.6  inches  for 
those  75-79  years  of  age.  About  90  percent  of  the 
men  in  this  population  fall  between  19.3  and  23.4 
inches  in  this  measurement,  and  probably  97  to 
99  percent  fall  between  18.3  and  24.1  inches 
(table  5  and  fig.  7). 

Data  available  from  previous  studies  on 
selected  groups  of  civilian  and  military  persons 
show  similar  but  slightly  greater  knee  heights. 
The  white  civilian  truck  and  bus  driver^  were 
larger  by  0.4  inch; 39  white  Army  separatees,  by 
0.3  inch;31  Army  Air  Forces  flyers,  by  0.4 
inch;  43  and  white  Army  drivers  by,  0.2  inch.41 

In  women,  knee  height  averages  19.6  inches, 
or  1.7  inches  less  than  in  men,  and  changes  little 
with  age.  The  maximum  average  value  of  19.7 
inches  occurs  through  the  age  groups  18-44  years, 
and  declines  to  19.4  inches  for  those  aged  55-64. 
A  range  between  17.9  and  21.5  inches  will  include 


Figure  7.  Average  knee  height  for  adults  18-79 
years. 


14 


about  90  percent  of  the  present  population  of 
women,  and  probably  97  to  99  percent  will  be  in¬ 
cluded  within  the  extremes  of  17.1  to  22.4 inches. 

Groups  of  women  previously  measured  for 
knee  height  include  Army  Air  Forces  flight  nurses, 
who  were  shorter  than  the  present  population  by 
0.1  inch,  and  Womens'  Auxiliary  Service  Pilots, 
who  were  taller  by  0.5  inch.52 

Popliteal  Height 

For  men  this  dimension  averages  17 .3  inches. 
Maximum  average  height,  17.6  inches,  is  reached 
by  ages  25-34  years;  the  average  declines  slowly 
thereafter  with  age  to  a  minimum  of  16.6  inches 
for  those  of  75-79  years.  About  90  percent  of  men 
have  popliteal  heights  between  15.5  and  19.3 
inches,  and  probably  97  to  99  percent  have  heights 
between  14.9  and  20.0  inches  (table  6  and  fig.  8). 

Average  values  from  other  studies  show  17.0 
inches  for  Air  Force  flying  personnel43  and  17.4 
inches  for  white  Army  drivers.41  The  high  median 
of  19.0  inches  obtained  for  men  railway  travelers 38 
was  due  to  the  shoes  worn  by  the  subjects,  which 
add  about  1.0  inch,  and  to  differences  in  measuring 
technique. 

For  women,  popliteal  height  averages  15.6 
inches,  or  1.7  inches  less  than  for  men.  This 


Figure  8.  Average  popliteal  height  for  adults 
18-79  years. 


measurement  has  its  highest  average  of  16.0 
inches  in  the  youngest  age  group,  18-24  years. 
Thereafter,  popliteal  height  decreases  with  each 
successive  age  group  to  a  minimum  of  15.3  inches 
by  65-74  years.  A  range  between  14.0  and  17.5 
inches  includes  some  90  percent  of  all  women,  and 
a  range  between  13.1  and  18.0  inches  includes 
probably  97  to  99  percent. 

Popliteal  height  has  been  measured  on  only 
one  other  group  of  women— the  railway  travelers— 
where  the  median  is  18.1  inches,38  or  2.4  inches 
greater  than  the  comparable  median  for  women 
in  the  present  population.  This  large  difference 
was  due  to  the  shoes  worn  by  the  traveler  group, 
which  in  women  may  add  an  average  increment 
of  as  much  as  2.0  inches,  and  to  differences  in 
measuring  technique. 

Elbow  Rest  Height 

Elbow  rest  height  for  men  averages  9.5 
inches.  The  maximum  average  value  of9.7  inches 
occurs  between  25  and  44  years  and  is  followed  by 
a  steady  decline  thereafter  to  8.6  inches  for  those 
aged  75-79  years.  About  90  percent  of  all  men 
have  elbow  rest  heights  between  7.4  and  11.6 
inches,  probably  97  to  99  percent  have  heights 
between  6.3  and  12.5  inches  (table  7  and  fig.  9). 

For  the  series  of  railroad  travelers38  this 
distance  was  0.1  inch  greater  than  for  the  com¬ 
parable  segments  of  the  present  population;  for 
Air  Force  flying  personnel,  it  was  0.4  inch 
less;  43  and  for  white  Army  drivers,  0.3  inch 
greater.41 


Figure  9.  Average  elbow  rest  height  for  adults 
18-79  years. 


15 


Among  women,  the  average  value  of  this 
dimension  is  9.1  inches,  0.4  inch  less  than  for  men. 
The  maximum  mean  of  9.4  inches  is  found  at  ages 
35-44,  after  which  a  decline  with  age  sets  in, 
reaching  a  minimum  of  8.2  inches  at  ages  75-79 
years.  The  approximate  90-percent  range  for 
women  extends  from  7.1  to  11.0  inches,  while 
probably  97  to  99  percent  of  the  women  are  within 
the  range  from  6.1  to  11.9  inches. 

Women  railroad  travelers38  had  an  elbow 
rest  height  0.6  inch  higher  than  the  present  popu¬ 
lation.  This  difference  may  be  due  largely  to  the 
laterally  fixed  armrests  in  the  special  measuring 
chair  used  for  the  travelers  which  forced  smaller 
women  to  extend  their  arms  to  the  sides  and 
slightly  upward  for  this  measurement. 

Thigh  Clearance  Height 

For  men  this  dimension  averages  5.7  inches. 
It  is  at  a  maximum  of  5.8  inches  between  25  and 
44  years,  and  declines  to  5.2  inches  for  those  aged 
75-79  years  (table  8  and  fig.  10).  The  relative 
decline  occurs  at  about  the  same  rate  as  for  elbow 
rest  height. 

About  90  percent  of  the  men  in  the  civilian 
population  have  thigh  clearance  heights  between 

4.3  and  6.9  inches,  and  probably  97  to  99  percent 
fall  between  4.1  and  7.7  inches. 

Comparable  measurements  are  available  for 
two  military  groups.  Air  Force  flying  personnel 
were  smaller  by  0.1  inch,43  while  white  Army 
drivers  averaged  0.2  inch  larger41  than  the 
present  civilian  population. 

Thigh  clearance  height  for  women  averages 

5.4  inches,  0.3  inch  less  than  for  men.  It  is  at  a 
maximum  of  5.5  inches  between  ages  35  and  54, 
and  declines  to  a  low  of  5.2  inches  for  those  75-79 
years  of  age.  Less  variation  with  age  is  found  in 
this  dimension  among  women  than  among  men;  in 
addition,  less  variation  occurs  here  than  for  elbow 
rest  height  among  women. 

About  90  percent  of  all  women  fall  between 
4.1  and  6.9  inches  in  this  measurement,  and 
probably  97  to  99  percent  fall  between  3.8  and  7.7 
inches. 

No  comparable  data  are  available  from  pre¬ 
vious  studies  among  women. 


INCHES 


Figure  10.  Average  thigh  clearance  for  adults 
18-79  years. 


Buttock-Knee  length 

Buttock-knee  length  for  men  averages  23.3 
inches.  This  measurement  shows  a  maximum  of 

23.6  inches  at  25-34  years,  drops  to  23.3  inches 
from  35  through  54  years,  and  has  a  minimum  of 

22.7  inches  for  the  group  75-79  years  of  age.  The 
range  between  21.3  and  25.2  inches  includes 
roughly  90  percent  of  the  adult  men,  and  20.3  to 
26.3  inches  includes  probably  97  to  99  percent 
(table  9  and  fig.  11). 

The  series  of  commercial  truck  and  bus 
drivers  39  measured  for  buttock-knee  length  av¬ 
eraged  0.4  inch  larger  than  the  present  population. 

Most  military  groups  measured  for  this  di¬ 
mension  exhibit  average  values  similar  to,  or 
slightly  higher  than,  the  adult  civilian  population. 
The  large  series  of  Army  separatees  of  World 
War  II  were  larger  by  0.1  inch  in  this  measure¬ 
ment;  31  Army  aviators,  0.5  inch;'12  white  Army 
drivers,  by  0.4  inch;41  Air  Force  flyers,  by  0.3 
inch;43  and  Navy  aviation  cadets,  by  1.1  inch.58 

For  women  this  measurement  averages  22.3 
inches,  1.0  inch  less  than  for  men.  By  age  the 


16 


Figure  II.  Average  buttock-knee  length  for  adults 
18-79  years. 


Figure  12.  Average  buttock-popliteal  length  for 
adults  18-79  years. 


maximum  value  of  22.5  inches  occurs  at  35-44 
years;  the  value  then  gradually  declines  to  a 
minimum  of  22.0  inches  for  women  75-79  years 
of  age.  The  approximate  90-percent  range  in  this 
dimension  for  women  falls  between  20.4  and  24.6 
inches,  while  probably  97  to  99  percent  of  the 
women  fall  between  19.5  and  25.7  inches. 

Two  groups  of  women  on  which  this  measure¬ 
ment  was  taken  in  1943  were  both  larger,  Army 
Air  Forces  flight  nurses,  byO.l  inch  and  Womens' 
Auxiliary  Service  Pilots,  by  0.3  inch.52 

Buttock-Popliteal  Length 

For  men,  buttock-popliteal  length  averages 
19.4  inches.  The  maximum  value  of  19.6  inches 
is  found  between  25  and  34  years  and  is  followed 
by  a  gradual  decline  for  each  successive  age 
group  to  18.9  inches  at  75-79  years.  About  90 
percent  of  all  men  fall  between  17. 3  and  2 1.6  inches 
in  this  dimension,  and  probably  97  to  99  percent 
fall  between  16.5  and  22.7  inches  (table  10  and 
and  fig.  12). 

Male  railroad  travelers  showed  a  median 
value  of  18.9  inches  in  this  dimension,38  0.5  inch 
below  the  median  for  men  in  the  general  popu¬ 
lation.  Since  the  travelers  were  only  0.3  inch 
shorter  than  the  present  population,  part  of  this 
difference  may  result  from  the  correction  factor 
which  was  applied  to  obtain  the  estimated  true 
seat  length  for  the  travelers,  who  were  measured 


in  a  special  type  of  chair.  The  group  of  Spanish- 
American  War  veterans  with  a  mean  age  of  81 
years  averaged  18.6  inches37  as  opposed  to  18.9 
inches  for  the  oldest  age  group,  75-79  years,  in 
the  present  study.  Among  the  military  groups  the 
only  data  available  were  for  white  Army  drivers, 
who  averaged  0.2  inch  smaller  in  this  measure¬ 
ment.41 

Buttock-popliteal  length  for  women  averages 
18.9  inches,  or  0.5  inch  less  than  the  average  for 
men.  There  is  little  association  with  age,  the 
maximum  value  of  18.9  inches  occurring  among 
those  25-64  years,  with  a  decline  to  18.6  inches 
for  those  75-79  years  of  age.  Roughly  90 percent 
of  all  women  vary  between  17.0  and  21.0  inches 
in  this  dimension,  and  probably  97  to  99  percent 
are  between  16.1  and  22.0  inches. 

The  series  of  women  railroad  travelers  had 
a  median  buttock-popliteal  length  of  18.2  inches, 
0.7  inch  less  than  women  in  the  present  popu¬ 
lation,  the  reason  for  this  difference  being  noted 
above. 

Elbow-to-Elbow  Breadth 

For  men,  elbow-to-elbow  breadth,  generally 
the  greatest  width  across  the  body,  averages  16.6 
inches.  Age  differences  in  this  dimension  are  not 
marked  other  than  for  the  youngest  group,  18-24 
years,  where  the  minimum  average  of  15.6  inches 
occurs.  This  average  varies  between  16.8  and  16.9 


17 


INCHES 


Figure  14.  Average  seat  breadth  for  adults  18-79 
years. 


Figure  13.  Average  el bow-to-el bow  breadth  for 
adults  18-79  years. 


inches  in  the  age  span  for  persons  35-74  years 
of  age,  with  a  slightly  lower  value  in  the  preceding 
and  succeeding  age  groups.  About  90  percent  of 
the  men  in  this  population  fall  between  13.7  and 
19.9  inches  in  elbow-to-elbow  breadth,  and  prob¬ 
ably  97  to  99  percent  fall  between  13.0  and  21.4 
inches  (table  11  and  fig.  13). 

In  comparisons  with  previous  findings  on 
groups  in  the  population,  it  should  be  noted  that 
in  the  present  survey  the  examinees  held  their 
elbows  tightly  pressed  to  their  sides,  whereas  in 
many  of  the  other  studies  the  elbows  were  held 
lightly  against  the  sides.  For  the  survey  of  Air 
Force  cadets  and  gunners  in  which  maximal 
press  was  used,  the  results  were  very  similar  to 
those  in  the  present  study — median  values  of  16.7 
and  16.4  inches,  respectively.52  In  other  studies, 
where  maximal  elbow  press  was  not  exerted,  the 
resulting  values  were  larger.  For  example,  the 
series  of  civilian  truck  and  bus  drivers  were 
broader  than  men  in  the  present  survey  by  0.9 
inch;39  Air  Force  flyers,  by  0.7  inch;43  Army 
separatees  by  0.9  inch;  31  and  white  Army  drivers 
by  1.1  inches.41 

Women  average  15.3  inches  in  this  measure¬ 
ment — 1.3  inches  less  than  the  comparable  value 
for  men — and  show  larger  changes  with  age  than 


do  men.  The  smallest  average,  14.0  inches,  occurs 
in  the  youngest  group,  18-24  years,  but  the 
measurement  then  increases  steadily  with  age 
for  each  group  until  it  reaches  a  maximum  of 
16.4  inches  at  55-74  years.  It  then  declines  to 
15.8  inches  among  those  75-79  years  of  age. 
Roughly  90  percent  of  the  women  fall  between  12.3 
and  19.3  inches  in  this  dimension,  and  probably 
97  to  99  percent  fall  between  11.4  and  21.2  inches. 

Elbow-to-elbow  breadth  on  other  female 
populations  is  available  only  for  Womens'  Aux¬ 
iliary  Service  Pilots  in  1943,  who  were  0.2  inch 
smaller  than  the  women  in  the  present  study,  and 
Army  Air  Forces  flight  nurses,  also  in  1943,  who 
were  0.4  inch  smaller.52 

Seat  Breadth 

Seat  breadth  for  men  averages  14.0  inches. 
This  measurement  is  minimal  at  18-24  years, 
averaging  13.6  inches.  It  increases  to  14.1  inches 
at  35-54  years,  then  decreases  slowly  to  13.7 
inches  for  those  75-79  years  of  age.  In  this  popu¬ 
lation  about  90  percent  of  the  men  fall  between 
12.2  and  15.9  inches,  and  probably  97  to  99  percent 
fall  between  11.5  and  17.0  inches  (table  12  and 
fig.  14). 

In  previous  studies  among  civilians,  truck 
and  bus  drivers  averaged  broader  than  the  present 
population  by  0.6  inch 39  and  men  railroad 
travelers,  by  1.3  inches/  The  latter  difference 


18 


was  doubtless  due  to  the  travelers'  clothing  and 
to  a  difference  in  measuring  techniques,  since  the 
railroad  travelers  were  lighter  in  weight  than  the 
present  findings  for  the  general  population. 

Army  separatees  of  1946  were  just  as  broad 
as  the  men  in  this  study,31  as  were  white  Army 
drivers41  and  Air  Force  flyers.43  Armyaviators 
were  broader  by  0.2  inch.42 

Seat  breadth  in  women  averages  14.4  inches, 
0:4  inch  larger  than  the  same  value  for  men.  This 
is  one  of  the  few  body  measurements  in  which 
women  exceed  men.  The  relative  increase  in  size 
to  the  middle-age  maximum  is  slightly  greater 
for  women  than  for  men. 

The  smallest  average  value  for  women,  13.8 
inches,  is  found  in  the  youngest  age  group,  18-24 
years  of  age.  Thereafter,  seat  breadth  increases 
by  small  increments  to  a  maximum  breadth  of 
14.8  inches  for  the  group  aged  55-64  years,  and 
then  decreases  to  14.2  inches  by  75-79 years.  The 
range  between  12.3  and  17.1  inches  includes 
roughly  90  percent  of  this  population,  and  11.7 
to  18.8  inches  includes  probably  97  to  99  percent. 

Women  railroad  travelers  were  broader  by 
0.2  inch;  38  Army  Air  Forces  flight  nurses,  by 
0.7  inch;  and  Womens'  Auxiliary  Service  Pilots, 
by  0.6  inch 52  than  present  findings  for  the 
general  population.  The  latter  two  differences 
could  be  due  in  part  to  the  girdles  or  other  size- 
reducing  garments  that  were  probably  worn  by 
a  greater  proportion  of  the  civilian  women  while 
being  measured. 

DISCUSSION 

Age  of  Examinees 

Marked  differences  in  most  of  the  body 
measurements  included  in  this  report  occur  during 
adult  life.  Full  growth  in  regard  to  stature  and 
related  body  dimensions  is  generally  achieved  by 
the  late  teens  or  early  twenties  for  men,  and  a 
few  years  earlier  for  women.  Body  dimensions 
such  as  weight  and  body  breadths  and  girths, 
which  are  affected  by  deposits  of  fatty  tissue, 
usually  continue  to  increase  through  middle  age, 
after  which  a  gradual  decline  is  observed.  The 
reason  for  the  weight  loss  late  in  life  is  not  fully 
understood;  neither  are  the  precise  age  of  onset 
nor  the  amount  of  decrement.  Stature  and  related 


body  heights  do  not  increase  after  maturity,  but 
actually  decrease  with  advancing  age.  These  de¬ 
creases  may  be  negligible  during  the  first  few 
decades  of  adulthood,  but  become  more  marked 
as  old  age  is  approached.  Among  the  causes  of 
reduced  body  lengths  are  the  inability  to  main¬ 
tain  erect  posture,  compression  of  the  spinal 
column,  and  various  forms  of  arthritis. 

The  differences  in  body  size  evident  among 
age  groups  in  this  cross-sectional  study  may 
result  from  any  combination  of  changes  in  the 
individual  with  age,  from  the  secular  trend  to  in¬ 
creasing  body  size,  or  from  preferential  survival 
of  smaller  persons.  Changes  with  age  in  the  indi¬ 
vidual  and  preferential  survival  can  be  adequately 
studied  only  on  a  longitudinal  or  prospective  basis. 

It  is  difficult  to  draw  valid  inferences  from 
comparisons  with  the  findings  from  other  studies 
because  of  the  noted  age  changes  in  body  size. 
For  many  of  the  studies  referred  to  in  this  report, 
published  data  contained  only  the  average  age  or 
age  span  of  the  examinees.  The  exact  age  distri¬ 
bution  was  often  not  available,  and  may  have  been 
quite  different  from  that  in  the  general  population. 
For  example,  significant  differences  in  body  size 
would  be  expected  between  a  group  with  an  average 
age  of  18  or  19  years  and  the  group  aged  18-24 
years  from  the  present  survey. 

Racial  and  Ethnic  Differences 

Despite  some  overlapping,  the  major  races 
of  man — Caucasian,  Negroid,  and  Mongoloid— 
have  been  found  in  previous  studies  to  differ  in 
body  size  and  proportion.  Similarly,  marked 
variations  have  been  noted  among  ethnic  groups 
of  varying  national  ancestry  within  one  racial 
stock,  such  as  Swedes  and  Spaniards.  North¬ 
western  Europeans  in  these  studies  have  tended 
to  be  taller  than  Southern  Europeans;  Central 
Europeans ,  to  be  stockier  in  build  than  those  from 
the  Mediterranean;  and  most  Negroes  tend  to  have 
longer  extremities,  relative  to  their  stature,  than 
do  white  persons. 

Since  the  Health  Examination  Survey  utilizes 
a  stratified,  random  sample  of  virtually  the  entire 
adult,  civilian  population  in  all  parts  of  the  United 
States  at  one  period  in  time,  it  may  be  expected 
to  contain  the  various  racial  or  ethnic  groups  in 
roughly  the  same  proportion  that  they  are  found 


19 


in  the  country  as  a  whole.  It  includes  for  example, 
approximately  10  percent  nonwhites,  most  of  whom 
are  Negroes.  Thus  these  anthropometric  data 
describe  an  average  or  "composite"  American, 
and  as  such  they  may  differ  from  the  data  obtained 
on  groups  of  different  racial  or  ethnic  makeup. 

Socioeconomic  Differences 

Various  studies  such  as  that  by  Karpinos  on 
Selective  Service  Registrants  of  World  War  II16 
have  shown  that  persons  from  the  higher  social 
and  economic  strata  of  society  tend  to  be  taller 
than  those  from  the  lower  strata.  Correlated  with 
these  differences  in  height  are  corresponding 
differences  in  the  other  linear  dimensions.  Weight 
and  the  related  body  breadths,  depths,  and  circum¬ 
ferences  have  also  been  found  to  be  greater  for 
upper  socioeconomic  groups,  except  where  dieting 
or  "weight  watching"  is  a  commonly  accepted 
cultural  norm. 

Very  likely  the  single  most  important  factor 
in  these  body-size  differences  is  the  superior 
nutrition  available,  especially  during  the  growth 
years,  to  persons  with  higher  incomes.  This  per¬ 
mits  the  attainment  of  a  greater  percentage  of  the 
individual's  genetic  growth  potential,  an  opportu¬ 
nity  denied  in  varying  degree  to  those  whose  diets 
are  nutritionally  less  adequate.  A  secondary  factor 
that  contributes  in  some  instances  to  the  larger 
body  size  of  upper  socioeconomic  groups  is 
relatively  greater  freedom  from  childhood  dis¬ 
eases.  A  third  is  ancestry.  Since  "Old  Americans" 
were  predominantly  of  Northwest  European  ances¬ 
try,  many  of  these  relatively  tall  peoples  were 
able,  for  purely  historical  reasons,  to  place  them¬ 
selves  higher  in  the  socioeconomic  scale  than 
many  of  the  later  arrivals  in  this  country,  the 
relatively  short- statured  Southern  and  Eastern 
Europeans.  Though  such  socioeconomic  distinc¬ 
tions  between  groups  of  different  national  ances¬ 
try  are  tending  to  disappear  today,  this  factor  has 
undoubtedly  been  responsible  in  part  for  the 
anthropometric  differences  observed  among  var¬ 
ious  population  subgroups  in  previous  studies. 

Since  the  opportunity  for  higher  education 
has  been,  in  the  past,  closely  related  to  higher 
socioeconomic  status  (and  still  is  today,  though 
less  so),  these  same  nutritional  and  historical 
factors  account  for  the  almost  uniformly  higher 


statures  recorded  for  college  students,  as  com¬ 
pared  with  noncollege  persons  of  the  same  age. 

Civilian-Military  Differences 

Persons  in  the  U.S.  military  services  are 
physically  a  highly  selected  group,  as  previously 
noted.  Minimum  and  maximum  height-weight 
standards  for  acceptance  eliminate  from  the 
military  those  at  the  extremes  of  the  body-size 
distribution.  Military  personnel  are,  in  addition, 
a  relatively  healthy  group,  since  all  have  passed 
a  physical  examination  before  acceptance,  and 
those  who  develop  various  incapacitating  con¬ 
ditions  while  in  the  services  are  normally  dis¬ 
charged.  Because  of  more  regular  physical  ac¬ 
tivity,  military  personnel  are  generally  in  better 
physical  condition  than  most  civilians. 

Since  all  of  these  factors  influence  human 
body  size  and  shape,  it  is  not  surprising  that 
military  personnel  differ  anthropometrically  from 
members  of  the  civilian  population  of  comparable 
age.  On  the  whole,  despite  much  individual  varia¬ 
tion  as  well  as  differences  among  some  of  the 
specialty  fields,  previous  studies  indicate  that 
service  men  and  women  tend  to  be  taller,  leaner, 
and  more  muscular.  They  also  include  fewer 
persons  at  the  extremes  of  body  size.  Generally, 
data  from  the  present  survey  show  good  agree¬ 
ment  with  those  military  findings  which  are 
available  for  comparison,  when  the  above  limi¬ 
tations  are  considered. 


Differences  in  Measuring  Technique 

Differences  among  the  results  of  various 
anthropometric  surveys  can  be  caused  by  dif¬ 
ferences  in  the  kind  and  quality  of  measuring 
techniques  employed.  If  properly  trained  person¬ 
nel  and  standard  techniques  are  not  used,  signifi¬ 
cant  variations  in  the  measurements  are  likely. 
Equally  suspect  are  the  results  of  large  surveys 
where  many  different  observers  have  taken  the 
measurements,  each  according  to  his  own  tech¬ 
niques.  In  some  surveys  the  results  are  further 
confused  by  the  fact  that  heights  and  weights  are 
occasionally  recorded  as  stated  by  the  subject  and 
are  not  measured.  This  presents  a  major  diffi¬ 
culty  since  many  persons  know  neither  their  weight 


20 


nor  their  height  within  acceptable  limits  of  ac¬ 
curacy. 

Even  with  trained  anthropometrists,  small 
differences  may  occur  because  of  minor  varia¬ 
tions  in  the  techniques  used.  In  measurements 
over  soft  tissues,  such  as  seat  breadth,  differences 
in  the  amount  of  pressure  exerted  on  the  bars  of 
the  instrument  will  influence  the  recorded  values. 
Different  techniques  may  also  be  used  to  measure 
the  same  body  dimension.  For  example,  stature 
measured  with  the  examinee  standing  against  a 
wall  is  almost  always  higher,  by  amounts  av¬ 
eraging  some  0.4  inch,  than  when  he  is  measured 
standing  erect  but  free.61  Again,  the  examinee 
himself  may  vary — stature  is  less  in  the  evening 
than  in  the  morning  because  of  the  compression 
of  the  intervertebral  disks  of  the  spinal  column. 
Weight  may  vary  a  pound  or  two  or  more,  depend¬ 
ing  on  food  and  liquid  intake,  elimination,  perspi¬ 
ration,  and  physical  activity. 

it  should  be  emphasized  that  the  above  com¬ 
ments  are  not  intended  to  cast  doubt  upon  the 
validity  or  reliability  of  all  anthropometric  sur¬ 
veys,  or  to  discourage  comparisons  between 
different  anthropometric  surveys.  Rather  they  are 
intended  to  point  out  some  of  the  difficulties  in 
interpretation  that  can  occur,  if  the  data  are  not 
evaluated  critically. 

In  the  present  comparisons,  the  attempt  has 
been  made  to  include  only  surveys  considered 
reasonably  accurate  and  reliable.  Where  this  has 
not  been  possible,  owing  to  the  scarcity  of  com¬ 
parative  data  for  certain  dimensions,  pertinent 
problems  are  noted. 

Secular  Changes  in  Body  Size 

Changes  in  body  size  have  been  taking  place 
throughout  the  course  of  human  evolution,  but 
various  studies,  some  of  which  are  cited  here, 
indicate  that  these  changes  may  have  been  suffi¬ 
ciently  accelerated  in  very  recent  times  to  cause 
significant  differences  in  anthropometric  surveys 
made  only  a  few  years  apart.  An  indication  of  this 
trend  is  afforded  by  a  comparison  of  Army 
inductees  measured  at  three  different  times  over 
the  past  40  years.  Inductees  during  World  War  II 
were  0.67  inches  taller  and  10.7  pounds  heavier 
than  the  inductees  of  World  War  I.  Inductees 
measured  during  1957-58  were  0.50  inches  taller 


and  over  7  pounds  heavier  than  the  World  War  II 
inductees,  thus  making  a  total  increase  from 
1917-18  to  1957-58  of  about  1.2  inches  and 
18  pounds. 16 17 

The  same  trend  toward  increased  body  size 
is  also  suggested  in  civilian  studies.  In  two 
successive  generations  of  Harvard  students  from 
the  same  families,  the  sons  were  1.3  inches  taller 
and  10  pounds  heavier  than  their  fathers  were  at 
the  same  age.60  A  more  recent  study  suggests 
that  the  average  height  of  college  students  is  con¬ 
tinuing  to  increase.63  These  changes  may  be  due 
largely  to  improved  nutrition  and  better  medical 
care  during  childhood,  though  it  has  been  sug¬ 
gested63  that  an  additional  explanation  maybe 
the  breakdown  of  breeding  isolates,  producing 
heterosis,  or  hybrid  vigor,  well  known  to  plant 
and  animal  breeders.  There  is  some  evidence 
in  man  that  offspring  of  parents  from  different 
towns  are  taller  than  those  whose  parents  were 
born  in  the  same  town.64 

Lack  of  a  comparable  national  survey  for  an 
earlier  period  prevents  making  direct  com¬ 
parisons  of  the  measurements  found  in  this 
survey  with  those  at  an  earlier  period  for  the 
entire  United  States.  Such  comparisons  could, 
hopefully,  be  made  when  similar  surveys  are 
conducted  in  future  years. 

SUMMARY 

Findings  on  selected  measurements  of  phy¬ 
sique  from  the  Health  Examination  Survey  among 
adults  in  the  civilian,  noninstitutional  popula¬ 
tion  aged  18-79  years  in  1960-62  show  the 
following: 

1.  Men  average  168  pounds  in  weight,  with 
about  90  percent  falling  between  126  and 
217  pounds.  Their  weight  decreases  with 
age  from  the  maximum  average  of  172  for 
those  35-54  years  of  age  to  150  pounds  at 
75-79  years. 

For  women,  about  90  percent  fall 
between  104  and  199  pounds,  averaging 
142  pounds.  Their  maximum  average,  152 
pounds,  is  in  the  55-64  year  age  group,  or 
about  20  years  later  than  that  for  men. 
Average  weight  then  drops  14  pounds  by 
75-79  years. 


21 


2.  In  height,  men  average  68.2  inches,  with 
some  90  percent  between  63.6  and  72.8 
inches.  Their  average  height  decreases 
with  age  from  a  maximum  of  69.1  inches 
for  those  aged  25-34  years  to  65.9  inches 
in  the  age  group  75-79  years. 

Women  average  63.0  inches  in  height, 
but  for  them  there  is  a  steady  decline  in 
stature  with  each  successive  age  group, 
beginning  with  63.8  inches  at  18-24  years 
and  falling  to  61.1  inches  at  75-79  years. 
About  90  percent  of  all  adult  women  are 
between  59.0  and  67.1  inches  in  height. 

3.  Sitting  height,  erect,  averages  35.6 inches 
for  men  and  2.3  inches  less  for  women. 
Roughly  90  percent  are  between  33.2  and 
38.0  inches  for  men  and  30.9  and  35.7 
inches  for  women. 

When  the  examinee  is  sitting  normal¬ 
ly,  this  height  averages  1.5  inches  less 
for  men  and  1.1  inches  less  for  women. 


4.  Knee  height  averages  21.3  inches  for  men 
and  19.6  inches  for  women,  while  popliteal 
height,  measured  at  the  back  of  the  knee, 
is  roughly  4  inches  less. 

5.  Elbow  rest  height  averages  9.5  inches  for 
men  and  0.4  inch  less  (9.1  inches)  for 
women. 

6.  Thigh  clearance  height  also  is  similar  for 
men  and  women,  with  men  averaging  5.7 
inches  and  women,  5.4  inches. 

7.  Measurements  of  the  upper  part  of  the  leg 
show  an  average  buttock-knee  length  of 
23.3  inches  for  men  and  1  inch  shorter 
for  women,  while  buttock-popliteal  length 
averages  19.4  inches  for  men  and  0.5  inch 
less  for  women. 

8.  Elbow-to-elbow  breadth  averages  16.6 
inches  for  men  and  15.3  inches  for  women, 
while  seat  breadth  averages  14.0  inches 
for  men  and  0.4  inch  more  for  women. 


o  o  o 


22 


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^Bowles,  G.  T.:  New  Types  of  Old  Americans  at  Harvard  and 
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OOO 


24 


DETAILED  TABLES 

Page 

Table  1.  Weight  in  pounds,  average  weight  and  selected  percentiles,  by  age  and  sex: 

United  States,  1960-62 -  26 

2.  Height  in  inches,  average  height  and  selected  percentiles,  by  age  and  sex:  United 

States,  1960-62 - - - -  27 

3.  Sitting  height  erect  in  inches,  average  height  and  selected  percentiles,  by  age 

and  sex:  United  States,  1960-62 -  28 

4.  Sitting  height  normal  in  inches,  average  height  and  selected  percentiles,  by  age 

and  sex:  United  States,  1960-62 -  29 

5.  Knee  height  in  inches,  average  height  and  selected  percentiles,  by  age  and  sex: 

United  States,  1960-62 -  30 

6.  Popliteal  height  in  inches,  average  height  and  selected  percentiles,  by  age  and 

sex:  United  States,  1960-62 -  31 

7.  Elbow  rest  height  in  inches,  average  height  and  selected  percentiles,  by  age  and 

sex:  United  States,  1960-62 -  32 

8.  Thigh  clearance  height  in  inches,  average  height  and  selected  percentiles,  by  age 

and  sex:  United  States,  1960-62 -  33 

9.  Buttock-knee  length  in  inches,  average  length  and  selected  percentiles,  by  age  and 

sex:  United  States,  1960-62 -  34 

10.  Buttock-popliteal  length  in  inches,  average  length  and  selected  percentiles,  by 

age  and  sex:  United  States,  1960-62 -  35 

11.  Elbow- to-elbow  breadth  in  inches,  average  breadth  and  selected  percentiles,  by  age 

and  sex:  United  States,  1960-62 -  36 

12.  Seat  breadth  in  inches,  average  breadth  and  selected  percentiles,  by  age  and  sex: 

United  States,  1960-62 -  37 

13.  Weight  distribution  in  pounds  for  men:  United  States,  1960-62 -  38 

14.  Weight  distribution  in  pounds  for  women:  United  States,  1960-62 -  38 

15.  Height  distribution  in  inches  for  men:  United  States,  1960-62 -  39 

16.  Height  distribution  in  inches  for  women:  United  States,  1960-62 -  39 


25 


Table  1.  Weight  in  pounds,  average  weight  and  selected  percentiles,  by  age  and  sex:  United 

States,  1960-62 


Average  weight 
and  percentile 

Total, 

18-79 

years 

18-24 

years 

25-34 

years 

35-44 

years 

45-54 

years 

55-64 

years 

65-74 

years 

75-79 

years 

MEN 

Weight  in  pounds1 

Average  weight-- 

168 

160 

171 

172 

172 

166 

160 

150 

Percentile2 

99 . . . 

241 

231 

248 

244 

241 

230 

225 

212 

95 - 

217 

214 

223 

219 

219 

213 

207 

198 

90 - 

205 

193 

208 

207 

209 

203 

198 

191 

80- - - 

190 

180 

195 

193 

194 

190 

183 

170 

70 . . .  . 

181 

171 

185 

184 

185 

180 

172 

161 

60— - - 

173 

164 

177 

177 

178 

172 

166 

150 

50 - - 

166 

157 

169 

171 

171 

165 

161 

146 

40 - 

159 

151 

162 

164 

163 

158 

153 

141 

30 - - - 

152 

145 

154 

158 

156 

151 

146 

137 

20 - 

144 

140 

146 

151 

149 

143 

138 

132 

10- . . 

134 

131 

136 

141 

139 

131 

126 

120 

5 - 

126 

124 

129 

134 

131 

123 

117 

107 

1 - 

112 

115 

114 

121 

116 

112 

99 

99 

WOMEN 

Average  weight — 

142 

129 

136 

144 

147 

152 

146 

138 

Percentile2 

99 - 

236 

218 

239 

238 

240 

244 

214 

205 

95 . —  - 

199 

170 

191 

204 

205 

211 

196 

193 

90 - 

182 

157 

173 

184 

190 

195 

183 

178 

80 . . — 

164 

145 

152 

165 

171 

176 

169 

162 

70 - 

152 

137 

143 

153 

158 

165 

160 

155 

60 - - 

144 

131 

136 

144 

149 

154 

151 

147 

50- . - . — 

137 

126 

130 

137 

143 

146 

145 

137 

40- . 

131 

122 

125 

131 

137 

140 

138 

127 

30 . 

125 

117 

120 

125 

130 

134 

132 

119 

20  — . - 

118 

111 

114 

119 

122 

129 

125 

113 

L0 . 

111 

104 

107 

113 

113 

120 

114 

105 

104 

99 

102 

109 

106 

112 

106 

95 

L - - 

93 

91 

92 

100 

95 

95 

92 

74 

^Weight,  partially  clothed  (see  section  on  "The  Measurements"). 

"Measurement  below  which  the  indicated  percent  of  persons  in  the  given  age  group  fall 


Table  2.  Height  in  inches,  average  height  and  selected  percentiles,  by  age  and  sex:  United  States 

1960-62 


Average  height 
and  percentile 


MEN 

Average  height- 
Percentile2 


WOMEN 

Average  height- 
Percentile2 


Total , 

18-79 

years 


18-24 

years 

h'  “  ■  s 
25-34 
years 

'j  •  V 

35-44 

years 

j'v  J  ’  ; 

45-54 

years 

V  >  . 

55-64 

years 

i-C.  s 

65-74 

years 

Height  in 

inches1 

68.7 

!  69.1 

/  68.^ 

68.2 

,  67.4 

66.9 

,  ^ 

*  ■■■ 

74.8 

.76.0 

,  /  74a 

74.0 

73.5 

72.0 

73.1 

lf  >3.8 

l?'  “72.5 

1  72.7 

l 

72.2 

70.9 

72.4 

1  '-72.7 

lr*  i  71.7 

1?*’  71.7 

71.0 

70.2 

70.9 

71.4 

70.7 

70.5 

69.8 

68.9 

70.1 

70.5 

70.0 

69.5 

68.8 

68.3 

69.3 

69.8 

69.2 

68.8 

68.3 

67.5 

68.6 

69.0 

68.6 

68.3 

67.6 

66.8 

67.9 

68.4 

68.1 

67.7 

66.8 

66.2 

67.1 

67.7 

67.3 

66.9 

66.0 

65.5 

66.5 

66.8 

66.4 

66.1 

64.7 

■  /  i 

64.8 

65.4 

,r  65.5 

'65.2 

1  64.8 

i  63.'7 

64.1 

64.3 

//'64:4 

1  L  '  . 

64.2 

■' 6  64 .0 

62.9 

62.7 

62.6 

62.6 

62.3 

i  ■  - 

62.3 

61.2 

f  *, 

60.8 

63.8 

63.7 

63.5 

62.9 

62.4 

61.5 

69.3 

69.0 

69.0 

68.7 

68.7 

67.0 

67.9 

67.3 

67.2 

67.2 

66.6 

65.5 

66.8 

66.6 

66.6 

66.1 

65.6 

64.7 

65.9 

65.7 

65.5 

64.8 

64.3 

63.7 

65.0 

64.9 

64.7 

64.1 

63.6 

62.8 

64.5 

64.4 

64.1 

63.4 

62.9 

62.1 

63.9 

63.7 

63.4 

62.8 

62.3 

61.6 

63.0 

62.9 

62.8 

62.3 

61.8 

61.1 

62.3 

62.4 

62.2 

61.7 

61.3 

60.2 

61.6 

61.8 

61.4 

60.9 

60.6 

59.5 

60.7 

60.6 

60.4 

59.8 

59.4 

58.3 

60.0 

59.7 

59.6 

59.1 

58.4 

57.5 

58.4 

58.1 

57.6 

57.3 

56.0 

55.8 

1  Height,  without  shoes. 

Measurement  below  which  the  indicated  percent  of  persons  in  the  given  age  group  fall. 


Table  3.  Sitting  height  erect  in  inches,  average  height  and  selected  percentiles,  by  age  and  sex 

United  States,  1960-62 


Average  height 
and  percentile 


MEN 

Average  height- 
Percentile 1 


WOMEN 

Average  height-- 
Percentile 1 


18-24 

25-34 

35-44 

45-54 

55-64 

65-74 

years 

years 

years 

years 

years 

years 

Height  in  inches 


35.9 

35.7 

35.2 

34.7 

34.2 

38.9 

38.9 

38.7 

37.7 

37.6 

38.0 

38.0 

37.7 

36.9 

36.7 

37.7 

37.6 

37.1 

36.5 

36.1 

37.1 

36.9 

36.6 

35.9 

35.3 

36.7 

36.5 

36.1 

35.5 

34.9 

36.3 

36.0 

35.7 

35.1 

34.6 

36.0 

35.7 

35.3 

34.8 

34.3 

35.6 

35.3 

35.0 

34.4 

34.1 

35.2 

35.0 

34.5 

34.1 

33.6 

34.8 

34.5 

34.1 

33.7 

33.2 

34.2 

34.1 

33.3 

33.1 

32.4 

33.7 

33.5 

32.9 

32.5 

31.8 

32.2 

32.8 

31.4 

31.3 

27.7 

33.7 

33.4 

33.0 

32.1 

31.7 

36.8 

36.4 

36.4 

35.8 

35.7 

35.8 

35.6 

35.4 

34.5 

34.8 

35.4 

35.0 

34.8 

33.9 

34.0 

34.8 

34.6 

34.2 

33.4 

33.3 

34.4 

34.1 

33.8 

32.9 

32.8 

34.1 

33.8 

33.4 

32.6 

32.5 

33.7 

33.5 

33.0 

32.2 

32.1 

33.4 

33.2 

32.7 

31.9 

31.6 

33.1 

32.8 

32.3 

31.5 

31.1 

32.6 

32.3 

31.9 

31.0 

30.4 

32.1 

31.7 

31.2 

30.3 

29.2 

31.5 

31.2 

30.7 

29.7 

28.1 

30.3 

30.1 1 

30.0 

28.6 

17.8 

1  Measurement  below  which  the  indicated  percent  of  persons  in  the  given  age  group  fall. 


Table  4.  Sitting  height  normal  in  inches,  average  height  and  selected  percentiles,  by  age  and 

sex:  United  States,  1960-62 


Average  height 
and  percentile 

i 

Total , 

18-79 

years 

18-24 

years 

25-34 

years 

35-44 

years 

45-54 

years 

55-64 

years 

65-74 

years 

75-79 

years 

MEN 

Height  in  inches 

Average  height-- 

34.1 

34.1 

34.4 

34.2 

34.1 

33.8 

33.4 

33.0 

Percentile  1 

99 - 

37.6 

37.8 

37.8 

37.7 

37.7 

36.9 

36.4 

36.7 

95 - - --- 

36.6 

36.7 

36.8 

36.7 

36.7 

36.0 

35.7 

35.8 

90 - 

35.9 

36.0 

36.3 

36.2 

36.0 

35.6 

35.1 

35.2 

80 - 

35.3 

35.4 

35.6 

35.5 

35.5 

35.0 

34.6 

34.6 

70 - 

34.8 

34.9 

35.1 

34.9 

35.0 

34.6 

34.1 

34.1 

60 - 

34.5 

34.5 

34.8 

34.6 

34.6 

34.3 

33.8 

33.7 

50 - 

34.1 

34.2 

34.4 

34.3 

34.2 

33.9 

33.4 

33.3 

40 - 

33.7 

33.8 

34.0 

34.0 

33.8 

33.5 

33.1 

32.9 

30 - - 

33.3 

33.3 

33.6 

33.5 

33.4 

33.2 

32.7 

32.5 

20 - - 

32.9 

32.9 

33.2 

33.1 

32.9 

32.6 

32.4 

32.1 

10 - 

32.2 

32.3 

32.6 

32.4 

32.3 

31.8 

31.9 

30.7 

5 - 

31.6 

31.9 

32.1 

32.0 

31.8 

31.3 

31.2 

29.8 

1 . - . 

30.4 

30.5 

31.0 

30.8 

30.8 

30.2 

30.1 

26.7 

WOMEN 

Average  height-- 

32.2 

32.5 

32.6 

32.6 

32.2 

31.9 

31.1 

30.5 

Percentile1 

99 . - . 

35.7 

35.7 

35.9 

35.8 

35.5 

35.4 

34.9 

35.0 

95 - 

34.7 

34.8 

34.9 

34.9 

34.6 

34.4 

33.9 

33.4 

90 - 

34.1 

34.3 

34.5 

34.4 

34.0 

33.8 

33.1 

32.8 

80 - - 

33.6 

33.7 

33.8 

33.8 

33.5 

33.2 

32.5 

32.3 

70 - 

33.1 

33.4 

33.4 

33.3 

32.8 

31.9 

31.8 

60 - 

32.7 

33.0 

33.0 

32.9 

32.7 

32.4 

31.6 

31.4 

50 - 

32.3 

32.6 

32.6 

32.6 

32.3 

32.1 

31.2 

31.0 

40 - 

31.9 

32.3 

32.3 

32.3 

32.0 

31.7 

30.8 

30.6 

30 - 

31.5 

31.9 

31.9 

31.9 

31.5 

31.3 

30.4 

30.1 

20 - 

31.0 

31.3 

31.4 

31.4 

31.1 

30.8 

30.0 

29.2 

10 . 

30.2 

30.6 

30.7 

30.8 

30.3 

30.2 

29.3 

27.6 

5 . 

29.6 

30.1 

30.1 

30.2 

29.7 

29.7 

28.7 

27.1 

1 - 

28.2 

29.2 

28.9 

29.2 

28.7 

28.3 

27.0 

14.8 

'Measurement  below  which  the  indicated  percent  of  persons  in  the  given  age  group  fall. 


29 


Table  5.  Knee  height  in  inches,  average  height  and  selected  percentiles,  by  age  and  sex:  United 

States,  1960-62 


Average  height 
and  percentile 

Total, 

18-79 

years 

18-24 

years 

25-34 

years 

1 

35-44 

years 

45-54 

years 

55-64 

years 

65-74 

years 

75-79 

years 

MEN 

Height  in 

inches 

Average  height-- 

21.3 

21.4 

21.6 

21.4 

21.3 

21.1 

21.0 

20.6 

Percentile' 

99 - 

24.1 

23.9 

24.6 

24.4 

23.9 

24.0 

23.7 

23.3 

95 - 

23.4 

23.4 

23.7 

23.4 

23.3 

23.1 

22.9 

22.7 

90 . . 

22.9 

22.9 

23.3 

22.9 

22.8 

22.8 

22.5 

22.2 

80 - - - 

22.4 

22.5 

22.7 

22.5 

22.4 

22.2 

21.9 

21.7 

70 - 

22.0 

22.1 

22.2 

22.1 

22.0 

21.8 

21.6 

21.4 

60 - 

21.7 

21.8 

21.9 

21.8 

21.7 

21.4 

21.3 

21.0 

50 - 

21.4 

21.5 

21.6 

21.5 

21.4 

21.1 

21.0 

20.7 

40 - 

21.1 

21.2 

21.3 

21.2 

21.1 

20.8 

20.7 

20.4 

30 - 

20.7 

20.8 

21.1 

20.8 

20.7 

20.5 

20.5 

20.0 

20 . . 

20.4 

20.5 

20.6 

20.4 

20.3 

20.2 

20.2 

19.6 

10 - 

20.0 

20.1 

20.2 

20.0 

19.9 

19.6 

19.9 

19.2 

5 - - - 

19.3 

19.4 

19.8 

19.4 

19.3 

19.1 

19.2 

19.0 

1 . . . 

18.3 

18.3 

19.0 

18.4 

18.2 

18.1 

18.2 

18.0 

WOMEN 

Average  height-- 

19.6 

19.7 

19.7 

19.7 

19.5 

19.4 

19.3 

19.4 

Percentile' 

99 - 

22.4 

22.7 

22.5 

22.4 

22.5 

21.9 

22.0 

21.5 

95 - 

21.5 

21.6 

21.6 

21.5 

21. '6 

21.4 

21.0 

20.9 

90 - 

21.0 

21.0 

21.0 

21.0 

21.0 

20.9 

20.7 

20.7 

80 - - - 

20.5 

20.6 

20.6 

20.6 

20.5 

20.4 

20.1 

20.2 

70 - 

20.1 

20.3 

20.3 

20.2 

20.1 

20.0 

19.8 

19.9 

60 - 

19.8 

20,0 

20.0 

19.9 

19.8 

19.7 

19.5 

19.6 

50 - 

19.6 

19.7 

19.7 

19.6 

19.5 

19.5 

19.2 

19.4 

40 - 

19.3 

19.5 

19.4 

19.4 

19.2 

19.2 

19.0 

19.2 

30 - 

19.1 

19.2 

19.2 

19.1 

19.0 

19.0 

18.7 

18.9 

20 - 

18.6 

18.9 

18.8 

18.8 

18.5 

18.6 

18.4 

18.4 

10 - 

18.2 

18.4 

18.3 

18.3 

18.1 

18.2 

18.1 

18.0 

5 - 

17.9 

18.1 

18.0 

18.0 

17.6 

17.8 

17.8 

17.3 

1 - 

17.1 

17.3 

17.2 

17.2 

17.1 

16.6 

17.1 

16.3 

'Measurement  below  which  the  indicated  percent  of  persons  in  the  given  age  group  fall. 


Table  6.  Popliteal  height  in  inches,  average  height  and  selected  percentiles,  by  age  and  sex: 

United  States,  1960-62 


Average  height 
and  percentile 

Total , 

18-79 

years 

18-24 

years 

25-34 

years 

35-44 

years 

45-54 

years 

55-64 

years 

65-74 

years 

75-79 

years 

MEN 

Height  in  inches 

Average  height-- 

17.3 

'47.5 

17.6 

17.3 

17.2 

17.1 

17.0 

16.6 

Percentile1 

99 - - 

20.0 

20.4 

20.6 

19.9 

19.9 

19.8 

19.8 

19.3 

95 - 

19.3 

19.6 

19.7 

19.1 

19.1 

19.0 

18.9 

18.4 

90 - - --- 

18.8 

19.0 

19.2 

18.8 

18.6 

18.6 

18.4 

17.9 

80 . . . 

18.2 

18.5 

18.6 

18.2 

17.9 

18.0 

17.8 

17.4 

70 - 

17.8 

18.0 

18.1 

17.8 

17.7 

17.7 

17.6 

17.0 

60 - 

17.6 

17.7 

17.8 

17.6 

17.5 

17.4 

17.3 

16.8 

50 - 

17.3 

17.5 

17.5 

17.3 

17.2 

17.1 

17.1 

16.6 

40 - 

17.0 

17.2 

17.3 

17.0 

17.0 

16.9 

16.8 

16.4 

30 . . . 

16.7 

17.0 

17.0 

16.7 

16.7 

16.5 

16.5 

16.2 

20 - 

16.4 

16.6 

16.6 

16.4 

16.3 

16.2 

16.2 

15.9 

10 - 

16.0 

16.2 

16.2 

16.1 

16.0 

15.8 

15.6 

15.4 

5 - 

15.5 

.  16.0 

16.0 

15.6 

15.5 

15.3 

15.2 

15.2 

1 - 

14.9 

15.2 

15.1 

15.0 

14.7 

14.9 

14.2 

15.0 

WOMEN 

Average  height — 

15.6 

16.0 

15.7 

15.6 

15.5 

15.4 

15.3 

15.5 

Percentile 1 

99 . . 

18.0 

18.5 

18.2 

17.9 

18.3 

17.9 

17.9 

17.8 

95 - 

17.5 

17.8 

17.5 

17.5 

17.5 

17.1 

17.0 

17.2 

90 - - - 

17.0 

17.4 

17.0 

17.0 

17.0 

16.8 

16.8 

16.9 

80 . . . 

16.6 

16.9 

16.7 

16.6 

16.6 

16.4 

16.3 

16.6 

70 - 

16.3 

16.6 

16.4 

16.3 

16.2 

16.1 

15.9 

16.2 

60 - 

16.0 

16.4 

16.1 

16.0 

15.9 

15.7 

15.6 

15.9 

50 - - 

15.7 

16.1 

15.8 

15.7 

15.5 

15.4 

15.3 

15.6 

40 - 

15.4 

15.8 

15.6 

15.4 

15.2 

15.0 

15.0 

15.4 

30 - 

15.1 

15.5 

15.3 

15.1 

14.9 

14.7 

14.7 

15.1 

20 - 

14.7 

15.2 

15.0 

14.7 

14.5 

14.4 

14.4 

14.6 

10 - 

14.2 

14.6 

14.4 

14.2 

14.2 

14.1 

14.1 

14.1 

5 - 

14.0 

14.2 

14.1 

14.0 

13.8 

13.6 

13.9 

13.5 

1 - 

13.1 

13.5 

13.2 

13.1 

13.1 

13.1 

13.0 

9.6 

1  Measurement  below  which  the  indicated  percent  of  persons  in  the  given  age  group  fall. 


Table  8.  Thigh  clearance  height  in  inches,  average  height  and  selected  percentiles,  by  age  and 

sex:  United  States,  1960-62 


Average  height 
and  percentile 

^ H 

18-24 

years 

^9 

35-44 

years 

45-54 

years 

75-79 

years 

MEN 

/ 

Height  in 

inches 

Average  height — 

5.7 

5.7 

5.8 

5.8 

5.6 

5.5 

5.4 

5.2 

Percentile1 

99 . . . 

7.7 

7.7 

7.9 

7.8 

7.1 

7.4 

7.0 

7.2 

95 - - 

6.9 

6.9 

7.0 

7.0 

6.9 

6.8 

6.7 

6.6 

90 - 

6.7 

6.8 

6.9 

6.8 

6.7 

6.6 

6.5 

6.1 

80 - 

6.4 

6.4 

6  .6 

6.5 

6.3 

6.1 

6.0 

5.8 

70 - - 

6.0 

6.1 

6.3 

6.2 

6.0 

5.9 

5.8 

5.6 

60 - 

5.8 

5.9 

6.0 

6.0 

5.8 

5.7 

5.6 

5.4 

50 - 

5.7 

5.7 

5.8 

5.8 

5.6 

5.5 

5.4 

5.2 

40 - - — 

5.5 

5.5 

5.6 

5.6 

5.5 

5.3 

5.3 

5.0 

30 - 

5.3 

5.3 

5.4 

5.4 

5.3 

5.2 

5.1 

4.7 

20- - - 

5.1 

5.1 

5.2 

5.2 

5.1 

4.9 

4.8 

4.5 

10  — . . 

4.7 

4.7 

4.9 

5.0 

4.9 

4.5 

4.4 

4.2 

4.3 

4.3 

4.5 

4.6 

4.4 

4.2 

4.2 

4.1 

1 - 

4.1 

4.1 

4.1 

4.1 

4.1 

4.0 

4.0 

3.9 

WOMEN 

Average  height — 

5.4 

5.3 

5.4 

5.5 

5.5 

5.4 

5.3 

5.2 

Percentile1 

99 . 

7.7 

7.0 

7.7 

7.8 

7.7 

8.3 

7.0 

6.9 

95 - 

6.9 

6.7 

6.9 

7.0 

6.9 

6.9 

6.6 

6.5 

90 - 

6.6 

6.3 

6.6 

6.7 

6.6 

6.6 

6.2 

6.1 

80 - 

6.0 

5.9 

6.0 

6.3 

6.1 

6.0 

5.9 

5.8 

70 - 

5.8 

5.7 

5.8 

5.9 

5.9 

5.8 

5.7 

5.6 

60 - 

5.6 

5.5 

5.6 

5.7 

5.7 

5.6 

5.5 

5.4 

50 - 

5.4 

5.4 

5.4 

5.5 

5.5 

5.4 

5.3 

5.2 

40 - 

5.2 

5.2 

5.2 

5.3 

5.3 

5.2 

5.1 

4.9 

30 - 

5.1 

5.0 

5.1 

5.1 

5.1 

5.0 

4.9 

4.7 

20 - 

4.7 

4.7 

4.7 

4.9 

4.8 

4.7 

4.6 

4.4 

10 - 

4.3 

4.3 

4.4 

4.4 

4.4 

4.3 

4.2 

4.1 

5 - 

4.1 

4.1 

4.2 

4.2 

4.2 

4.1 

4.1 

4.0 

1 - - — 

3.8 

3.6 

4.0 

4.0 

4.0 

3.5 

3.4 

3.2 

1  Measurements  below  which  the  indicated  percent  of  persons  in  the  given  age  group  fall. 


33 


Table  9.  Buttock-knee  length  in  inches,  average  length  and  selected  percentiles,  by  age  and  sex: 

United  States,  1960-62 


Average  length 
and  percentile 

Total , 

18-79 

years 

18-24 

years 

25-34 

years 

35-44 

years 

45-54 

years 

55-64 

years 

65-74 

years 

75-79 

years 

MEN 

Length  :in  inches 

Average  length-- 

23.3 

23.3 

23.6 

23.3 

23.3 

23.0 

23.0 

22.7 

Percentile' 

99 - 

26.3 

26.5 

26.8 

26.2 

26.1 

25.8 

25.9 

24.9 

95 - - - 

25.2 

25.4 

25.7 

25.1 

25.2 

24.9 

24.8 

24.7 

90 - 

24.8 

24.9 

25.0 

24.8 

24.8 

24.6 

24.4 

24.4 

80 - 

24.4 

24.4 

24.6 

24.4 

24.4 

24.1 

23.9 

23.9 

70 . . 

23.9 

23.9 

24.2 

24.0 

24.0 

23.7 

23.6 

23.3 

60 - - 

23.6 

23.6 

23.9 

23.7 

23.7 

23.4 

23.3 

22.9 

50 - - - 

23.3 

23.3 

23.6 

23.4 

23.4 

23.1 

23.0 

22.6 

40 . . . 

23.0 

23.0 

23.3 

23.1 

23.1 

22.8 

22.7 

22.3 

30--- . . 

22.7 

22.7 

22.9 

22.7 

22.7 

22.4 

22.4 

22.0 

20-- . - . 

22.3 

22.3 

22.5 

22.4 

22.4 

22.1 

22.2 

21.6 

10 - 

21.8 

21.9 

22.1 

21.9 

21.9 

21.5 

21.5 

21.2 

5- . - 

21.3 

21.3 

21.6 

21.3 

21.3 

21.2 

21.0 

21.0 

1 . . - 

20.3 

20.4 

20.8 

20.3 

20.4 

19.6 

20.1 

20.2 

WOMEN 

Average  length-- 

22.3 

22.3 

22.4 

22.5 

22.3 

22.3 

22.2 

22.0 

Percentile' 

99 - - 

25.7 

25.6 

25.6 

25.9 

25.5 

25.7 

25.9 

24.7 

95 . . 

24.6 

24.6 

24.6 

24.7 

24.6 

24.7 

24.6 

23.9 

90-  - . . 

24.0 

23.9 

24.0 

24.0 

24.1 

24.0 

23.9 

23.5 

80 - 

23.4 

23.3 

23.5 

23.5 

23.5 

23.4 

23.4 

22.9 

70 - - — 

22.9 

22.9 

23.0 

23.0 

22.9 

22.9 

22.9 

22.6 

60 - - 

22.6 

22.5 

22.7 

22.7 

22.6 

22.6 

22.6 

22.4 

50—- . . 

22.4 

22.2 

22.4 

22.5 

22.4 

22.3 

22.2 

22.2 

40  — . --- 

22.1 

21.9 

22.1 

22.2 

22.1 

22.0 

21.9 

21.9 

30 - - 

21.7 

21.6 

21.8 

21.9 

21.7 

21.7 

21.5 

21.4 

20 - 

21.3 

21.3 

21.4 

21.5 

21.3 

21.3 

21.2 

21.0 

10 . . - 

20.9 

20  .8 

21.0 

21.1 

20.9 

20.9 

20.6 

20.3 

5 - 

20.4 

20 .3 

20.5 

20.5 

20.3 

20 .3 

20.2 

19.9 

1 - 

19.5 

19  .3 

20.0 

20.0 

19.4 

19.4 

19.4 

18.5 

'Measurement  below  which  the  indicated  percent  of  persons  in  the  given  age  group  fall. 


34 


Table  10.  Buttock-popliteal  length  in  inches,  average  length  and  selected  percentiles,  by  age  and 

sex:  United  States,  1960-62 


Average  length 
and  percentile 


MEN 

Average  length- 
Percentile  1 


Total, 

18-79 


18-24 

25-34 

35-44 

45-54 

55-64 

65-74 

years 

years 

years 

years 

years 

years 

WOMEN 

Average  length- 
Percentile1 


Length  in  inches 
19.4 f  19 


19.4 

19 

.3 

19 

.2 

18.9 

22.0 

22 

.2 

21 

.9 

22.1 

21.5 

21 

.5 

20 

.9 

21.2 

20.9 

20 

.9 

20 

.7 

20.8 

20.5 

20 

.4 

20 

.3 

20.2 

20.1 

20 

.0 

19 

.9 

19.7 

19.7 

19 

.7 

19 

.6 

19.2 

19.5 

19 

.4 

19 

.3 

18.9 

19.2 

19 

0 

19 

.0 

18.6 

18.8 

18 

6 

18 

.6 

18.3 

18.3 

18 

2 

18 

.3 

17.9 

17.8 

17 

6 

17 

.8 

17.3 

17.4 

17 

2 

17 

3 

17.0 

17.0 

16 

4 

16 

3 

16.2 

18.9 

18 

9 

18 

8 

18.6 

22.0 

22 

0 

21 

9 

20.8 

20.9 

21 

0 

20 

9 

20.0 

20.6 

20 

5 

20 

4 

19.9 

20.0 

19 

9 

19 

8 

19.6 

19.6 

19 

5 

19 

4 

19.3 

19.3 

19 

2 

19 

1 

19.0 

18.9 

18 

9 

18 

8 

18.7 

18.6 

18 

6 

18 

5 

18.3 

18.2 

18 

3 

18 

2 

18.0 

17.8 

18 

0 

17 

8 

17.6 

17.3 

17 

4 

17 

3 

17.2 

17.0 

17 

1 

16 

9 

17.0 

15.8 

16. 

1 

16. 

1 

14.7 

Measurement  below  which  the  indicated  percent  of  persons  in  the  given  age  group  fall 


erage  breadth  and  selected  percentiles,  by  age  and 
States,  1960-62 


35-44 

years 

45-54 

years 

55-64 

years 

65-74 

years 

75-79 

years 

Breadth  in  inches 

16.8 

16.9 

16.8 

16.9 

16.4 

21.5 

21.8 

22.0 

21.0 

20.7 

20.0 

20.0 

20.0 

19.9 

19.5 

19.2 

19.2 

19.3 

19.3 

18.7 

18.3 

18.4 

18.3 

18.5 

17.8 

17.7 

17.8 

17.7 

17.8 

17.1 

17.2 

17.3 

17.2 

17.3 

16.7 

16.7 

16.8 

16.7 

16.8 

16.4 

16.3 

16.3 

16.1 

16.3 

16.0 

15.9 

15.9 

15.6 

15.9 

15.5 

15.3 

15.3 

15.2 

15.3 

14.9 

14.6 

14.6 

14.5 

14.6 

14.3 

14.1 

14.1 

14.1 

14.0 

14.0 

13.1 

13.2 

13.2 

13.2 

12.4 

15.3 

15.8 

16.4 

16.4 

15.8 

21.5 

21.7 

21.8 

20.8 

19.8 

19.3 

19.7 

20.2 

19.7 

19.1 

18.2 

18.7 

19.3 

18.8 

18.1 

16.9 

17.6 

18.2 

17.9 

17.5 

16.0 

16.8 

17.4 

17.4 

16.9 

15.5 

16.0 

16.8 

16.9 

16.3 

14.9 

15.5 

16.3 

16.4 

15.7 

14.5 

15.1 

15.8 

16.0 

15.3 

14.1 

14.6 

15.2 

15.5 

14.7 

13.6 

14.1 

14.7 

14.9 

14.2 

13.1 

13.3 

14.0 

14.2 

13.5 

12.5 

12.7 

13.4 

13.7 

13.1 

11.7  1 

11.6 

12.3 

12.4 1 

12.3 

of  persons  in  the  given  age  group  fall. 


Table  12.  Seat  breadth  in  inches,  average  breadth  and  selected  percentiles,  by  age  and  sex:  United 

States,  1960-62 


Average  breadth  18-79’ 
and  percentile  v 


18-24 

25-34 

35-44 

45-54 

55-64 

65-74 

years 

years 

years 

years 

years 

years 

MEN 

Average  breadth- 
Percentile1 


Breadth  in  inches 


WOMEN 

Average  breadth- 
Percentile1 


13.6 

14.0 

14.1 

14.1 

14.0 

13.9 

17.3 

17.4 

17.1 

16.9 

16.9 

16.6 

15.8 

16.0 

15.9 

16.0 

15.9 

15.7 

15.0 

15.6 

15.6 

15.7 

15.6 

15.1 

14.6 

14.9 

15.0 

15.1 

15.0 

14.7 

14.1 

14.6 

14.7 

14.8 

14.6 

14.5 

13.8 

14.3 

14.4 

14.5 

14.3 

14.2 

13.5 

14.0 

14.1 

14.2 

14.0 

13.9 

13.3 

13.7 

13.8 

13.9 

13.7 

13.6 

13.0 

13.4 

13.5 

13.5 

13.4 

13.4 

12.6 

13.1 

13.3 

13.2 

13.1 

13.1 

12.2 

12.5 

12.9 

12.6 

12.6 

12.6 

12.0 

12.2 

12.4 

12.2 

12.2 

12.2 

11.3 

11.7 

12.0 

11.5 

11.6 

11.4 

13.8 

14.2 

14.6 

14.7 

14.8 

14.7 

18.4 

19.0 

19.2 

19.0 

18.7 

18.2 

15.9 

16.8 

17.3 

17.6 

17.4 

17.3 

15.4 

16.0 

16.5 

16.7 

16.8 

16.7 

14.8 

15.3 

15.7 

15.8 

16.0 

15.9 

14.4 

14.8 

15.1 

15.4 

15.6 

15.4 

14.1 

14.4 

14.8 

15.0 

15.1 

14.9 

13.8 

14.0 

14.5 

14.6 

14.7 

14.6 

13.5 

13.7 

14.2 

14.2 

14.3 

14.3 

13.2 

13.4 

13.8 

13.8 

13.9 

14.0 

12.8 

13.1 

13.4 

13.4 

13.6 

13.5 

12.3 

12.6 

12.9 

13.0 

13.2 

12.9 

12.1 

12.2 

12.4 

12.4 

12.9 

12.4 

11.3 

11.5 

12.0 

12.0 

12.1 

12.1 

Measurement  below  which  the  indicated  percent  of  persons  in  the  given  age  group  fall. 


Table  13.  Weight  distribution  in  pounds  for  men:  United  States,  1960-62 


Weight 

Total, 

18-79 

years 

18-24 

years 

25-34 

years 

35-44 

years 

45-54 

years 

55-64 

years 

65-74 

years 

75-79 

years 

Number  of  persons  in  thousands 

Total - 

52,744 

7,139 

10,281 

11,373 

10,034 

7,517 

4,972 

1,428 

Under  100  pounds 

124 

_ 

8 

_ 

21 

22 

57 

16 

100-109  pounds-- 

270 

-  : 

13 

46 

31 

19 

82 

79 

110-119  pounds — 

843 

145 

189 

42 

83 

174 

162 

48 

120-129  pounds-- 

2,265 

524 

337 

210 

299 

492 

323 

80 

130-139  pounds-- 

4,249 

798 

763 

737 

631 

566 

441 

313 

140-149  pounds-- 

6,520 

1,305 

1,168 

1,017 

1,039 

921 

749 

321 

150-159  pounds-- 

7,573 

1,122 

1,403 

1,820 

1,468 

1,049 

579 

132 

160-169  pounds-- 

7,693 

1,052 

1,364 

1,672 

1,357 

1,100 

997 

151 

170-179  pounds-- 

6,860 

766 

1,392 

1,799 

1,428 

922 

468 

85 

180-189  pounds-- 

5,800 

656 

1,163 

1,458 

1,333 

769 

371 

50 

190-199  pounds-- 

3,911 

208 

881 

964 

863 

586 

311 

98 

200-209  pounds-- 

2,821 

154 

696 

692 

539 

455 

247 

38 

210-219  pounds-- 

1,702 

137 

323 

403 

475 

245 

102 

17 

220-229  pounds-- 

1,096 

198 

237 

234 

243 

114 

70 

- 

230-239  pounds--- 

453 

21 

184 

129 

110 

9 

- 

- 

240-249  pounds-- 

311 

38 

77 

82 

92 

9 

13 

- 

250+  pounds - 

253 

15 

83 

68 

22 

65 

“ 

“ 

Table  14.  Weight  distribution  in  pounds  for  women:  United  States,  1960-62 


Weight 

Women, 

18-79 

years 

18-24 

years 

25-34 

years 

35-44 

years 

45-54 

years 

55-64 

years 

65-74 

years 

75-79 

years 

Number 

of  persons 

in  thousands 

Total - 

58,343 

8,430 

11,291 

12,325 

10,542 

8,121 

6,192 

1,442 

Under  90  pounds- 

286 

40 

51 

_ 

17 

77 

42 

59 

90-99  pounds - 

1,167 

415 

349 

104 

180 

8 

85 

26 

100-109  pounds-- 

3,898 

1,076 

991 

593 

570 

228 

321 

119 

110-119  pounds-- 

7,652 

1,494 

1,991 

1,938 

1,051 

497 

427 

254 

120-129  pounds-- 

9,475 

1,949 

2,251 

2,036 

1,328 

946 

799 

166 

130-139  pounds-- 

9,488 

1,310 

1,893 

2,058 

1,555 

1,536 

986 

150 

140-149  pounds-- 

8,039 

975 

1,351 

1,540 

1,806 

1,278 

962 

127 

150-159  pounds-- 

5,112 

492 

694 

1,179 

1,072 

736 

719 

220 

160-169  pounds-- 

3,873 

255 

501 

789 

769 

737 

679 

143 

170-179  pounds-- 

3,204 

199 

346 

681 

736 

727 

471 

44 

180-189  pounds-- 

1,845 

32 

283 

434 

419 

361 

274 

42 

190-199  pounds-- 

1,500 

37 

190 

257 

400 

366 

188 

62 

200-209  pounds-- 

1,052 

48 

139 

243 

232 

209 

151 

30 

210-219  pounds-- 

634 

29 

80 

148 

163 

142 

72 

- 

220-229  pounds-- 

372 

23 

37 

162 

69 

65 

16 

- 

230-239  pounds-- 

291 

29 

35 

49 

71 

107 

- 

_ 

240 -  249  pounds - - 

145 

- 

38 

29 

28 

50 

- 

- 

250-259  pounds-- 

101 

18 

- 

40 

- 

43 

- 

- 

260-269  pounds-- 

80 

- 

26 

14 

40 

- 

- 

- 

270-279  pounds-- 

41 

9 

- 

24 

- 

8 

- 

- 

280+  pounds - 

88 

“ 

45 

7 

36 

“ 

“ 

- 

38 


Table  15.  Height  distribution  in  inches  for  men:  United  States,  1960-62 


Height 

Men, 

18-79 

years 

18-24 

years 

25-34 

years 

35-44 

years 

45-54 

years 

55-64 

years 

65-74 

years 

75-79 

years 

Number 

of  persons  in  thousands 

Total - 

52,744 

7,139 

10,281 

11,373 

10,034 

7,517 

4,972 

1,428 

Under  60  inches- 

90 

- 

- 

10 

22 

- 

37 

21 

60  inches - 

100 

- 

8 

9 

16 

37 

16 

14 

61  inches - 

485 

11 

15 

42 

30 

173 

107 

107 

62  inches - 

874 

98 

127 

151 

110 

184 

122 

82 

63  inches - 

1,720 

157 

164 

224 

304 

527 

166 

178 

64  inches - 

3,691 

286 

487 

550 

664 

818 

714 

172 

65  inches - 

3,488 

360 

453 

698 

772 

540 

614 

51 

66  inches - 

7,021 

1,129 

1,015 

1,384 

1,240 

960 

920 

373 

67  inches - 

6,249 

908 

1,121 

1,325 

1,281 

927 

556 

131 

68  inches - 

9,379 

1,057 

1,794 

2,183 

2,086 

1,313 

824 

122 

69  inches - 

5,421 

895 

1,233 

1,342 

926 

632 

320 

73 

70  inches - 

6,239 

881 

1,456 

1,633 

1,216 

641 

349 

63 

71  inches - 

3,216 

375 

800 

1,018 

508 

338 

177 

- 

72  inches - 

2,817 

602 

820 

493 

524 

305 

32 

41 

73  inches - 

1,103 

225 

348 

186 

235 

91 

18 

- 

74  inches - 

581 

101 

311 

96 

55 

18 

- 

- 

75  inches - 

126 

38 

29 

29 

30 

- 

- 

- 

76+  inches - 

144 

16 

100 

- 

15 

13 

“ 

“ 

Table  16.  Height  distribution  in  inches  for  women:  United  States,  1960-62 


Height 

Women , 

18-79 

years 

' 

18-24 

years 

25-34 

years 

35-44 

years 

— 

45-54 

years 

55-64 

years 

65-74 

years 

75-79 

years 

Number 

of  persons  in  thousands 

Total - 

58,343 

8,430 

11,291 

12,325 

10,542 

8,121 

6,192 

1,442 

Under  53  inches- 

57 

_ 

_ 

_ 

40 

_ 

17 

53  inches - 

44 

- 

- 

- 

- 

- 

- 

44 

54  inches - 

43 

- 

- 

17 

18 

8 

- 

- 

55  inches - 

194 

- 

15 

- 

34 

32 

81 

32 

56  inches - 

193 

9 

24 

49 

- 

48 

43 

20 

57  inches - 

994 

18 

63 

97 

182 

143 

392 

99 

58  inches - 

1,259 

152 

76 

109 

188 

318 

342 

74 

59  inches - 

3,801 

255 

582 

581 

788 

620 

842 

133 

60  inches - 

4,482 

578 

613 

881 

985 

654 

677 

94 

61  inches - 

8,358 

1,059 

1,153 

1,622 

1,387 

1,671 

1,216 

250 

62  inches - 

10,498 

1,312 

2,218 

2,041 

2,237 

1,518 

874 

298 

63  inches - 

7,277 

938 

1,293 

1,703 

1,359 

1,148 

668 

168 

64  inches - 

9,023 

1,631 

2,065 

2,191 

1,521 

865 

599 

151 

65  inches - 

4,738 

896 

1,285 

1,043 

723 

442 

305 

44 

66  inches - 

4,389 

896 

1,222 

1,324 

528 

325 

94 

- 

67  inches - 

1,400 

288 

369 

299 

296 

138 

10 

- 

68  inches - 

1,199 

300 

208 

256 

272 

106 

39 

18 

69  inches - 

191 

54 

31 

91 

15 

- 

- 

- 

70  inches - 

136 

33 

36 

12 

- 

45 

10 

- 

71+  inches - 

67 

11 

38 

9 

9 

- 

“ 

39 


APPENDIX  II 


SURVEY  DESIGN,  RESPONSE,  AND  SAMPLING  VARIABILITY 


Survey  Design 

The  sampling  plan  of  the  first  cycle  of  the  Health 
Examination  Survey  followed  a  highly  stratified  multi¬ 
stage  probability  design  in  which  a  sample  of  the  civilian, 
noninstitutional  population  of  the  conterminous  United 
States,  18-79  years  of  age,  was  selected.  In  the  first 
stage  of  this  plan  a  sample  of  42  primary  sampling 
units  (PSU's)  was  drawn  from  among  the  1,900  geo¬ 
graphic  units  into  which  the  United  States  was  dividied. 
Here  a  PSU  is  either  a  standard  metropolitan  statistical 
area  or  one  to  three  contiguous  counties.  Later  stages 
result  in  the  random  selection  of  clusters  of  typically 
about  four  persons  from  a  small  neighborhood  within 
the  PSU.  The  total  sampling  included  some  7 ,700  persons 
in  29  different  States.  The  detailed  structure  of  the 
design  and  the  conduct  of  the  survey  are  described  in 
references  1  and  2. 

Reliability 

Measurement  processes  employed  in  the  Survey 
were  highly  standardized  and  closely  controlled.  This 
does  not  mean,  of  course,  that  the  correspondence 
between  the  real  world  and  the  survey  results  is  exact. 
Data  from  the  survey  are  imperfect  for  three  major 
reasons:  (1)  results  are  subject  to  sampling  error;  (2) 
the  actual  conduct  of  a  survey  never  agrees  perfectly 
with  the  design;  and  (3)  the  measurement  processes 
themselves  are  inexact,  even  though  standardized  and 
controlled. 

A  first-stage  evaluation  of  the  Survey  is  reported 
in  reference  2,  which  deals  largely  with  an  analysis  of 
the  faithfulness  with  which  the  sampling  design  was 
carried  out.  This  study  notes  that  out  of  the  7,700  sample 
persons,  the  6,670  who  were  examined— a  response 
rate  of  over  86  percent— gave  evidence  that  they  were 
a  highly  representative  sample  of  the  civilian,  non¬ 
institutional  population  of  the  United  States.  The  age  and 
sex  distribution  of  these  adults  examined  in  Cycle  I  of 
the  Health  Examination  Survey  is  as  follows: 


Table  I.  Number  of  examinees  by  age  and  sex: 
Health  Examination  Survey,  1960-62 


Age 

Total 

Men 

Women 

Number 

of  examinees 

Total-18-79  years - - 

6,672 

3,091 

3,581 

18-24  years - 

945 

411 

534 

25-34  years - 

1,421 

675 

746 

35-44  years - 

1,487 

703 

784 

45-54  years - 

1,252 

547 

705 

55-64  years - 

861 

418 

443 

65-74  years - 

564 

265 

299 

75-79  years - 

142 

72 

70 

Imputation  for  the  nonrespondents  was  accomplished  by 
attributing  to  the  nonexamined  persons  the  character¬ 
istics  of  comparable  examined  persons  as  described  in 
reference  2.  The  specific  procedure  used  amounted  to 
inflating  the  sampling  weight  for  each  examined  person 
to  compensate  for  sample  persons  at  that  stand  of  the 
same  age-sex  group  who  .were  not  examined.  This  in¬ 
flation  procedure  would  be  expected  to  introduce  little, 
if  any,  distortion,  judging  from  the  data  obtained  in  the 
physician  followup.  Here  the  height  and  weight  data  for 
the  subsample  of  examined  and  nonexamined  sample 
persons  were  found  to  be  in  good  agreement.  Measuring 
techniques  used  by  the  physicians  and  in  the  examination 
were  also  apparently  comparable,  since  physicians'  re¬ 
ports  showed,  on  the  average,  good  agreement  with  the 
examination  findings  on  height  and  weight. 

In  addition  to  persons  not  examined  at  all,  there 
were  some  whose  examination  was  incomplete  in  one 
procedure  or  another.  Age,  sex,  and  race  were  known 
for  every  examined  person,  but  for  a  number  of  exam¬ 
inees  one  or  more  of  the  anthropometric  measurements 
were  not  available.  The  extent  of  these  missing  measure¬ 
ments  is  indicated  in  table  II. 


42 


Table  II.  Number  of  examinees  with  one  or  more 
missing  anthropometric  measurements:  Health 
Examination  Survey,  1960-62 


Measurement  missing 


Total  examinees 


All  measurements - 

Height  and  weight - 

Height  but  not  weight 
Weight  but  not  height 


Number 

of 

examinees 


137 


2 

4 

12 

14 


Sitting  height  erect  and  normal - 

Sitting  height  erect  but  not  normal- 
Sitting  height  normal  but  not  erect- 


22 

8 

11 


Knee  and  popliteal  height - 

Knee  but  not  popliteal  height 
Popliteal  but  not  knee  height 


17 

13 

5 


Thigh  clearance 


18 


Buttock-knee  and  buttock-popliteal 

length -  37 

Buttock-knee  but  not  buttock-pop¬ 
liteal  length -  7 

Buttock-popliteal  but  not  buttock - 
knee  length -  4 


Seat  breadth- 


12 


Elbow-to-elbow  breadth- 
Elbow  rest  height - 


18 

16 


There  were,  in  addition  to  these  137  examinees,  21 
for  whom  one  of  the  recorded  measurements  was  obvi¬ 
ously  in  error— for  example,  popliteal  height  the  same 
as  or  only  one-half  of  an  inch  shorter  than  knee  height, 
and  similar  discrepancies. 

Estimates  for  missing  (and  erroneous)  data  were 
generally  made  subjectively  on  the  basis  of  a  multiple 
regression-type  decision,  substituting  for  the  missing 
measurements  those  for  an  individual  who  was  of  the 
same  age,  sex,  and  race,  and  who  hadother  dimensions 
similar  to  the  ones  available  for  the  examinee  with  in¬ 
complete  data.  The  findings  were  essentially  unaffected 
by  the  few  deviations  that  had  to  be  made  in  the  standard 
measurement  techniques  for  amputees  and  others. 

For  those  with  no  measurements  available,  a  re¬ 
spondent  of  the  same  age-sex-race  group  was  selected 
at  random,  and  his  measurements  were  assigned  to  the 
nonexamined  person. 

Sampling  and  Measurement  Error 

In  the  present  report,  reference  has  been  made  to 
minimizing  bias  and  variability  of  the  measurement 
techniques. 

The  probability  design  of  the  Survey  makes  possible 
the  calculation  of  sampling  errors.  Traditionally,  the 


sampling  error  is  used  to  determine  how  imprecise  the 
survey  results  may  be  because  they  come  from  a  sample 
rather  than  from  the  measurements  of  all  elements  in 
the  universe. 

The  presentation  of  sampling  errors  for  a  study  of 
the  type  of  the  Health  Examination  Survey  is  difficult 
for  at  least  three  reasons:  (1)  measurement  error  and 
"pure"  sampling  error  are  confounded  in  the  data — it 
is  not  easy  to  find  a  procedure  which  will  either  com¬ 
pletely  include  both  or  treat  one  or  the  other  separately; 

(2)  the  survey  design  and  estimation  procedure  are 
complex  and  accordingly  require  computationally  in¬ 
volved  techniques  for  the  calculation  of  variances;  and 

(3)  from  the  survey  come  thousands  of  statistics,  many 
for  subclasses  of  the  population  for  which  there  are  a 
small  number  of  sample  cases.  Estimates  of  sampling 
error  are  obtained  from  the  sample  data  and  are  them¬ 
selves  subject  to  sampling  error,  which  may  be  large 
when  the  number  of  cases  in  the  cell  is  small  or,  even 
occasionally,  when  the  number  of  cases  is  substantial. 

Estimates  of  approximate  sampling  variability  for 
selected  statistics  used  in  this  report  are  presented 
in  table  III  for  the  averages  and  in  table  IV  for  percent¬ 
ages.  These  estimates  have  been  prepared  by  a  repli¬ 
cation  technique ,  which  yields  overall  variability  through 
observation  of  variability  among  random  subsamples  of 
the  total  sample.  The  method  reflects  both  "pure" 
sampling  variance  and  a  part  of  the  measurement 
variance. 

In  accordance  with  usual  practice,  Che  interval 
estimate  for  any  statistic  may  be  considered  to  be  the 
range  within  one  standard  error  of  the  tabulated 
statistic,  with  68  percent  confidence;  or  the  range  within 
two  standard  errors  of  the  tabulated  statistic,  with  95 
percent  confidence. 

An  overestimate  of  the  standard  error  of  a  differ¬ 
ence  d-x-y  of  two  statistics  x  and  y  is  generally 

given  by  the  formula  s  «(x2  vz+  y2  v2  ) 1/2  where  v  anu 
~i  ~  x  ~  l  -x 

v  are  the  relative  sampling  errors,  respectively,  of 
x  ”  and  y 

For  example,  table  2  shows  the  average  height  of 
men  18-24  years  of  age  to  be  68.7  inches  (x)and  that 
of  men  25-34  years  of  age  to  be  69.1  inches  (  y  i . 
Table  III  gives  relative  sampling  errors  of  v-  -  0.003 
and  v-  -  0.002  for  the  respective  averages.  The  formula 
yields  the  estimate  for  the  standard  error  of  the  differ¬ 
ence  (d  -  0.4  inch)  as  sd  -  0.19.  Here  the  difference 
is  more  than  twice  the  sampling  error  and,  hence,  is 
significant. 

Confidence  limits  for  the  quantile  measures — per¬ 
centiles,  deciles,  and  medians— presented  in  this  re¬ 
port  may  be  estimated  from  the  relative  standard  errors 
for  the  percentages  shown  in  table  IV.  For  example,  to 
determine  the  two-standard-error  confidence  limits 
for  the  90th  percentile  (the  point  below  which  90  percent 
of  the  population  fall)  of  height  for  women  35-44  years 


43 


Table  III.  Relative  sampling  error  of  averages  for  weight,  height,  and  selected  body  dimensions 

of  adults,  by  age:  United  States,  1960-62 


Measurement 

Total, 

18-79 

years 

18-24 

years 

25-34 

years 

35-44 

years 

45-54 

years 

55-64 

years 

65-74 

years 

75-79 

years 

Relative  sampling  error  for 

men  or 

women 

Weight - 

0.002 

0.003 

0.003 

0.003 

0.003 

0.003 

0.004 

0.005 

Height - 

0.001 

0.003 

0.002 

0.002 

0.002 

0.002 

0.003 

0.005 

Sitting  height,  erect - 

0.001 

0.003 

0.002 

0.002 

0.002 

0.002 

0.002 

0.005 

Sitting  height,  normal - 

0.002 

0.003 

0.003 

0.003 

0.003 

0.003 

0.003 

0.005 

Knee  height - 

0.002 

0.003 

0.003 

0.003 

0.003 

0.003 

0.003 

0.010 

Popliteal  height - 

0.002 

0.004 

0.003 

0.003 

0.003 

0.003 

0.004 

0.010 

Elbow  rest  height - 

0.004 

0.005 

0.005 

0.005 

0.005 

0.005 

0.010 

0.020 

Thigh  clearance - 

0.004 

0.010 

0.005 

0.005 

0.005 

0.010 

0.010 

0.020 

Buttock-knee  length - 

0.002 

0.003 

0.002 

0.002 

0.002 

0.002 

0.003 

0.010 

Buttock-popliteal  length - 

0.002 

0.003 

0.003 

0.003 

0.003 

0.003 

0.003 

0.010 

Elbow-elbow  breadth - 

0.003 

0.010 

0.005 

0.005 

0.005 

0.005 

0.010 

0.020 

Seat  breadth - 

0.003 

0.004 

0.004 

0.004 

0.004 

0.004 

0.004 

0.010 

Table  IV.  Relative  sampling  error  for  percentages  for  weight,  height,  and  the  10  other  body  di¬ 
mensions  for  adults:  United  States,  1960-62 


Percentage 

Relative  sampling  error  for  average 

0.001 

0.002 

0.003 

0.004 

0.005 

0.010 

0.020 

Corresponding  relative 

sampling  error  for  percentage 

1 . 

0.100 

0.200 

0.300 

0.400 

0.500 

1.000 

2.000 

5 . . . . 

0.080 

0.100 

0.200 

0.240 

0.300 

0.400 

0.600 

10 . . 

0.050 

0.060 

0.150 

0.200 

0.250 

0.250 

0.400 

20 . - . - . — 

0.040 

0.050 

0.100 

0.125 

0.150 

0.150 

0.250 

0.020 

0.025 

0.050 

0.060 

0.070 

0.080 

0.140 

80 . . . - . 

0.010 

0.012 

0.025 

0.031 

0.038 

0.038 

0.062 

90 . . - . 

0.006 

0.007 

0.017 

0.022 

0.028 

0.027 

0.044 

95 - - - 

0.004 

0.005 

0.010 

0.013 

0.016 

0.020 

0.032 

99 . . . 

0.001 

0.002 

0.003 

0.004 

0.005 

0.010 

0.020 

of  age,  the  following  steps  are  taken:  From  table  2,  the 
90th  percentile  (  x )  is  observed  to  be  66.6  inches;  table 
IV  shows  that  the  relative  standard  error  of  this  per¬ 
centage  or  percentile  is  0.007  ( vx )  ;  the  standard  error 
(S  „  -  xvx),then,  would  be  1.53,  and  the  two-standard- 
error  confidence  limit,  87-93  percent.  These  limits 
correspond  to  heights  of  66.3  and  67.0  as  obtained  from 
table  2  by  interpolation. 


Small  Categories 

In  some  tables  magnitudes  are  shown  for  cells  in 
which  the  sample  size  is  so  small  that  the  sampling 
error  may  be  several  times  as  great  as  the  statistic 
itself.  Obviously,  in  such  instances  the  statistic  has  no 
meaning  in  itself  except  to  indicate  that  the  true  quantity 
is  small.  Such  numbers,  if  shown,  have  been  included 
in  the  belief  that  they  help  to  convey  an  impression  of 
the  overall  story  of  the  table. 


O  O  O 


44 


*  U.S.  GOVERNMENT  PRtNTING  OFFICE  :  1965  0-772-381 


REPORTS  FROM  THE  NATIONAL  CENTER  FOR  HEALTH  STATISTICS 
Public  Health  Service  Publication  No.  1000 


Series  1.  Programs  and  collection  procedures 
No.  1.  Origin,  Program,  and  Operation  of  the  U.S.  National  Health  Survey.  35  cents. 

No.  2.  Health  Survey  Procedure:  Concepts,  Questionnaire  Development,  and  Definitions  in  the  Health  Interview  Survey.  45  cents. 

No.  3.  Development  and  Maintenance  of  a  National  Inventory'  of  Hospitals  and  Institutions.  25  cents. 

Series  2.  Data  evaluation  and  methods  research 
No.  1.  Comparison  of  Two-Vision  Testing  Devices.  30  cents. 

No.  2.  Measurement  of  Personal  Health  Expenditures.  45  cents. 

No.  3.  The  One-Hour  Glucose  Tolerance  Test.  30  cents. 

No.  4.  Comparison  of  Two  Methods  of  Constructing  Abridged  Life  Tables.  15  cents. 

No.  5.  An  Index  of  Health:  Mathematical  Models. 


Series  3. 
No.  1. 
No.  2. 

Scries  4. 


Series  10. 

No. 

1. 

No. 

2. 

No. 

3. 

No. 

4. 

No. 

5. 

No. 

6. 

No. 

7. 

No. 

8. 

No. 

9. 

No. 

10. 

No. 

11. 

No. 

12. 

No. 

13. 

No. 

14. 

No. 

15. 

No. 

16. 

No. 

17. 

Series 

11. 

No. 

1. 

No. 

2. 

No. 

3. 

No. 

4. 

No. 

5. 

No. 

6. 

No. 

7. 

No. 

6. 

Series 

12. 

Series  20. 


Series  21. 
No.  1. 
No.  2. 


Analytical  studies 

The  Change  in  Mortality  Trend  in  the  United  States.  35  cents. 

Recent  Mortality  Trends  in  Chile.  30  cents. 

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